Bibliografía Actual Comentada

	Helicobacter pylori infection prevalence: Is it different in diabetics and nondiabetics? Vafaeimanesh J y cols. Indian J Endocrinol Metab 2015 May-Jun;19(3):364-8.
	Risk of Gastric Cancer in Children with Helicobacter pylori Infection. Cam S. Asian Pac J Cancer Prev. 2014;15(22):9905-8.
	The Effect of Probiotics Supplementation on Helicobacter pylori Eradication Rates and Side Effects during Eradication Therapy: A Meta-Analysis. Dang Y y cols. PLoS One. 2014 Nov 3; 9(11):e111030.
	Helicobacter pylori vaccination: Is there a path to protection? Anderl F and Gerhard M. World J Gastroenterol 2014 September 14; 20(34): 11939-11949.
	Prospective multicentre study on antimicrobial resistance of Helicobacter pylori in Germany. Wuppenhorst N y cols. J Antimicrob Chemother 2014.
	The role of the gastrointestinal microbiome in Helicobacter pylori pathogenesis. Sheh & Fox. Gut Microbes 2013; 4: 1–27.
	Blue light for infectious diseases: Propionibacterium acnes, Helicobacter pylori and beyond? Dai T y cols. Drug Resist Updat. 2012; 15: 223–236.
	Efficacy of Tailored Helicobacter pylori Eradication Treatment Based on Clarithromycin Susceptibility and Maintenance of Acid Secretion. Sugimoto M y cols. Helicobacter 2014 Apr 1.
	Disease manifestations of Helicobacter pylori infection in Arctic Canada: using epidemiology to address community concerns. Cheung J, t cols. BMJ Open January 12, 2014.
	Activities of muscadine grape skin and polyphenolic constituents against Helicobacter pylori. Brown JC, Jiang X. J Appl Microbiol. 2013 Apr;114(4):982-91.
	Lactobacillus reuteri in the treatment of Helicobacter pylori infection. Dore MP y cols. Intern Emerg Med. 2013 Nov 1.
	Bacterial flora concurrent with Helicobacter pylori in the stomach of patients with upper gastrointestinal diseases. Hu Y y cols. World J Gastrointest Pathophysiol 2012; 18: 1257-1261.
	Primary clarithromycin resistance to Helicobacter pylori : Is this the main reason for triple therapy failure? Giorgio F y cols. World J Gastrointest Pathophysiol 2013; 4: 43-46.
	Helicobacter pylori and Crohn’s disease: A retrospective single-center study from China. Xiang Z y cols. World J Gastroenterol 2013; 19: 4576-4581.
	Application of matrix-assisted laser desorption/ ionization time-of-flight mass spectrometry for the study of Helicobacter pylori. Ilina EN y cols. Rapid Commun. Mass Spectrom. 2010; 24: 328–334.
	The Antimicrobial Activities of Phenylbutyrates against Helicobacter pylori. Chung-Yi Lo y cols. Chem. Pharm. Bull. 2013; 61 (6) 604–61.
	Helicobacter canis bacteriemia in a patient with fever of unknown origen. Abidi MZ y cols. J Clin Microbiol. 2013; 51 (Mar): 1046.
	Diagnostic accuracy of urine-based kits for detection of Helicobacter pylori antibody in children. Okuda M y cols. Pediatr Int. 2013 Jan 30. doi: 10.1111/ped.12057.
	Antimicrobial susceptibility and resistance patterns among Helicobacter pylori strains from The Gambia, West Africa. Ousman Secka y cols. Antimicrob Agents Chemother. 2012 Dec 21. [Epub ahead of print].
	Application of matrix-assisted laser esorption/ionization time-of-flight mass spectrometry for the study of Helicobacer pylori. Ilina EN y cols. Rapid Commun Mass Spectrom. 2010 Feb;24(3):328-34 .
	Is Helicobacter Pylori infection associated with asthma risk? A Meta-Analysis based on 770 cases and 785 controls. Yan Wang y cols. International Journal of Medical Sciences 2012; 9(7):603-610.
	Factors modulating the outcome of treatment for the eradication of Helicobacter pylori infection. N. Figura y cols. New Microbiol 2012; 35, 335-340.
	Prevalence of cagA, vacA, babA2 and iceA Genes in H. pylori Strains Isolated from Colombian Patients with Functional Dyspepsia. Arévalo Galvis A y cols. Polish Journal of Microbiology 2012, Vol. 61, No 1, 33–40.
	Phytoceuticals: Mighty but ignored weapons against Helicobacter pylori infection. Sun-Young LEE y cols. J Dig Dis 2008; 9; 129–139.
	Lactoferrin Levels in the Gastric Tissue of Helicobacter pylori-Positive and -Negative Patients and Its Effect on Anemia. Dogan Y y cols. Mediators of Inflammation 2012.
	Interaction of legionella pneumophila and Helicobacter pylori with bacterial species isolated from drinking water biofilms. Giao MS y cols. BMC Microbiology 2011, 11:57.
	Fifteen-Year Effects of Helicobacter pylori, Garlic, and Vitamin Treatments on Gastric Cancer Incidence and Mortality. Ma JL y cols. J Natl Cancer Inst. 2012 Jan 23.
	Ulcerogenic Helicobacter pylori Strains Isolated from Children: A Contribution to Get Insight into the Virulence of the Bacteria. Vitoriano y cols. PLoS One 2011;6(10):e26265. Epub 2011 Oct 19.
	Interactions between CagA and smoking in gastric cancer. Wang XQ. World J Gastroenterol. 2011 Jul 28;17(28):3330-4.
	Isolation of viable Helicobacter pylori in the tonsillar tissues of chronic tonsillitis patients. Wibawa T. J Infect Dev Ctries 2011; 5(7):561-564.
	Benefits of Helicobacter pylori cagE genotyping in addition to cagA genotyping: a Bulgarian study. Boyanova y cols. Antonie van Leeuwenhoek 2011, DOI 10.1007/s10482-011-9608-8.
	The occupational risk of Helicobacter pylori infection among gastroenterologists and their assistants. Peters C. BMC Infectious Diseases 2011, 11:154.
	Higher number of Helicobacter pylori CagA EPIYA C phosphorylation sites increases the risk of gastric cancer, but not duodenal ulcer. Batista SA. BMC Microbiology 2011, 11:61.
	Rapid detection of clarithromycin resistant Helicobacter pylori strains in Spanish patients by polymerase chain reacion-restriction fragment length polymorphism. Agudo S, Pérez-Pérez G, Alarcón T y López-Brea M. Rev Esp Quimioter 2011 (Mar); 24: 32-36..
	Bacteremia Caused by a Novel Helicobacter Species in a 28-Year-Old Man with X-Linked Agammaglobulinemia. Schwarze-Zander C y cols. J Clin Microbiol 2010 (Dic); 48: 4672–4676.
	The effect of Helicobacter pylori treatment on remission of idiopathic central serous chorioretinopathy. Rahbani-Nobar y cols. Molecular Vision 2011 (Enero); 17:99-103.
	The effectiveness of systemic eradication therapy against oral Helicobacter pylori. Bago I y cols. J Oral Pathol Med. 2010 Dec 28.
	Receptores tipo Toll, patogénesis y respuesta inmune a Helicobacter pylori. Sánchez-Zauco NA y cols. Salud Pública de México, septiembre-octubre de 2010.
	A case of Helicobacter pylori bacteremia with sepsis syndrome. Han Y y cols. J Clin Microb 2010.
	High Prevalence of Clarithromycin-Resistant Helicobacter pylori Strains and Risk Factors Associated with Resistance in Madrid, Spain. Sonia Agudo, Guillermo Pérez-Pérez, Teresa Alarcón, and Manuel López-Brea. J Clin Microb 2010.
	Detection of Helicobacter pylori in biofilms by real-time PCR. Linke S y cols. Inter J Hyg Environt Health 2010; 213: 176-182.
	Is Antimicrobial Susceptibility Testing Necessary Before first-line Treatment for Helicobacter pylori Infection? ?Meta-analysis of Randomized Controlled Trials?. Wenzhen Y y cols. Inter Med 2010; 49: 1103-1109.
	Helicobacter pylori cagA and vacA genotypes in Cuban and Venezuelan populations. Ortiz-Perez D y cols. Mem Inst Oswaldo Cruz, Rio de Janeiro 2010; 105: 331-335.
	The CagA protein of Helicobacter pylori suppresses the functions of dendritic cell in mice. Tanaka H y cols. Arch Biochem Bioph 2010 Abril.
	Molecular characterization and susceptibility testing of Helicobacter pylori strains isolated in western Argentina. Vega AE y cols. Int J Infect Dis. 2010 Mar 19.
	Two stomach-originated lactobacillus strains improve Helicobacter pylori infected murine gastritis. Cui Y y cols. World J Gastroenterol 2010 (ene); 16: 445-452.
	Analysis of Clarithromycin Resistance and CagA Status in Helicobacter pylori by Use of Feces from Children in Thailand. M Tanuma y cols. J Clin Microbiol 2009; 47: 4144–4145.
	Improved Performance of a Rapid Office-Based Stool Test for Detection of Helicobacter pylori in Children before and after Therapy. C. Prell y cols. J Clin Microbiol 2009 (Dic); 47: 3980–3984.
	Effect of chlorine on the incorporation of Helicobacter pylori into drinking water biofilms. Gião MS. Appl. Environ. Microbiol. Diciembre 2009 doi:10.1128/AEM.01378-09.
	Helicobacter pylori infection in gastric cancerogenesis. Konturek PC y cols. J Physiol Pharmacol 2009, 60, 3, 3-21.
	Evaluation of a New Test, GenoType® HelicoDR, for Molecular Detection of Antibiotic Resistance in Helicobacter pylori. Cambau E. J Clin Microbiol 2009 Septiembre.
	Comparative genomics of Helicobacter pylori. Dong Q-J. World J Gastroenterol 2009 August 28; 15(32): 3984-3991.
	Specific Therapeutic Schemes of Omeprazole Affect the Orientation of Helicobacter pylori. Azevedo-Vethacke M y cols. Antimicrob Agents Chemother 2009; 53: 3511–3514.
	Pediatric Helicobacter pylori Isolates Display Distinct Gene Coding Capacities and Virulence Gene Marker Profiles. Talarico S y cols. J Clin Microbiol 2009; 47: 1680–1688.
	Detection of cytotoxin genotypes of Helicobacter pyloriin stomach, saliva and dental plaque. Silva DG y cols. Arch. Oral Biolog 2009.
	Differences in Genome Content among Helicobacter pylori Isolates from Patients with Gastritis, Duodenal Ulcer, or Gastric Cancer Reveal Novel Disease-Associated Genes. Romo-Gonzalez Y y cols. Infect Immun 2009; 77: 2201–2211.
	Successful isolation of Helicobacter pylori after prolonged incubation from a patient with failed eradication therapy. Yin Y y cols. World J Gastroenterol 2009; 15: 1528–1529.
	Acquisition of Helicobacter pylori infection in early childhood: independent contributions of infected mothers, fathers, and siblings. Weyermann M y cols. Am J Gastroenterol 2009; 104: 182–189.
	Antibacterial Effects of Grape Extracts on Helicobacter pylori. Brown JC y cols. Appl Environ Microbiol 2009; 75: 848–852.
	DNA-level diversity and relatedness of Helicobacter pylori strains in shantytown families in Peru and transmission in a developing-country setting. Herrera PH y cols. J Clin Microbiol 2008; 46: 3912–3918.
	High Diversity of vacA and cagA Helicobacter pylori Genotypes in Patients with and without Gastric Cancer. Lopez-Vidal Y y cols. PLoS ONE 2008; 3(12): e3849.
	The Complete Genome Sequence of Helicobacter pylori strain G27. Baltrus DA y cols. J Bacterial October 2008.
	Higher levels of salivary MUC5B and MUC7 in individuals with gastric diseases who harbor Helicobacter pylori. Silva DG t cols. Archives of Oral Biology 2008.
	Effect of eradication of Helicobacter pylori on incidence of metachronous gastric carcinoma after endoscopic resection of early gastric cancer: an open-label, randomised controlled trial. Fukase K y cols. Lancet 2008; 372: 392–97.
	Effects of multispecies probiotic combination in Helicobacter pylori–infection in vitro. Myllyluoma y cols. Clin Vaccine Immunol 2008.
	Sodium chloride affects Helicobacter pylori growth and gene expression. Gancz H y cols. J Bacteriol 2008 (Jun); 190: 4100–4105.
	Modulation of Helicobacter pylori colonization with cranberry juice and Lactobacillus johnsonii La1 in children. Gotteland M y cols. Nutrition 2008; 24: 421-426.
	Antibacterial activity of Chamomilla recutita oil extract against Helicobacter pylori. AN Shikov y cols. Phytother Res 2008; 22: 252-253.
	High occurrence of Helicobacter pylori in raw goat, sheep and cow milk inferred by glmM gene: a risk of food-borne infection?. NC Quaglia y cols. Intern J Food Microbiol 2008.
	Helicobacter pylori: Treatment for the patient only or the whole family?. YS Sari y cols. World J Gastroenterol 2008; 14: 1244-1247.
	Helicobacter pylori amoxicillin heteroresistance due to point mutations in PBP-1A in isogenic isolates. Matteo MJ y cols. J Antimicrob Chemother (2008).
	Utility of diagnostic tests for detection of Helicobacter pylori in children in northeastern Mexico. Mendoza-Ibarra S y cols. Pediatrics International 2007; 49: 869–874.
	Clinical relevance of Helicobacter pylori sabA genotype in Japanese clinical isolates. Yanai A y cols. J Gastroenterol Hepatol 2007; 22: 2208-2232.
	Inhibitory effect of Gram-negative and Gram-positive microorganisms against Helicobacter pylori clinical isolates. López-Brea M, Diaz-Regañon J, Domingo D, Alarcón T. J Antimicrob Chemother 2007 (oct).
	Detection of clarithromycin-resistant Helicobacter pylori in frozen gastric biopsies from pediatric patients by a commercially available fluorescent in situ hybridization. Vega AE, Alarcón T, Domingo D, López-Brea M. Diagn Microb Infect Dis 2007 (sept).
	Duodenal ulcer-related antigens from Helicobacter pylori: immunoproteome and protein microarray approaches. Lin Y-F. Mol Cel Proteom 2007.
	Heterogeneity in the activity of Mexican Helicobacter pylori strains in gastric epithelial cells and its association with diversity in the cagA gene. Reyes-Leon A. y cols. Infect Immun 2007 (Jul); 75: 3445-3454.
	Evaluation of the novel Helicobacter pylori ClariRes Real-Time PCR assay for detection and Clarithromycin susceptibility testing of H. pylori in stool specimens from symptomatic children. Lottspeich C. y cols. J Clin Microbiol 2007 (Jun); 45: 1718–1722.
	Helicobacter pylori detection and antimicrobial susceptibility testing. Megraud F y col. Clin Microbiol Rev 2007; 20: 280-322.
	VacA and HP-NAP, Ying and Yang of Helicobacter pylori-associated gastric inflammation. D'Elios y cols. Clinica Chimica Acta 2007.
	Helicobacter pylori Infection and the Risk of Gastric Malignancy. Hsu P y cols. Am J Gastroenterol 2007; 102: 1–6.
	The Detection, Surveillance and Treatment of Premalignant Gastric Lesions Related to Helicobacter pylori Infection. de Vries y cols. Helicobacter 2007; 12: 1–15.
	Development and evaluation of a novel floating in situ gelling system of amoxicillin for eradication of Helicobacter pylori. Rajinikanth y cols. Intern J Pharmaceut 2006.
	Susceptibility-guided vs empiric retreatment of Helicobacter pylori infection after treatment failure. Yahav J y cols. Dig Dis Sci 2006; Nov.
	Effect of the Folk Remedy, Bainiku-ekisu, a Concentrate of Prunus mume Juice, on Helicobacter pylori Infection in Humans. Nakajima S y cols. Helicobacter 2006; 11: 589–591.
	Acquisition of Helicobacter pylori infection in Rhesus Macaques is most consistent with oral-oral transmision. Solnick JV y cols. J Clin Microbiol 2006; 44: 3799-3803.
	The Translation of Helicobacter pylori Basic Research to Patient Care. Ernst PB y cols. Gastroenterology 2006; 130: 188–206.
	The complete genome sequence of a chronic atrophic gastritis Helicobacter pylori strain: Evolution during disease progression. Jung y cols. PNAS 2006; 103: 9999–10004.
	Efficacy of Cranberry Juice on Helicobacter pylori Infection: a Double-Blind, Randomized Placebo-Controlled Trial. Zhang y cols. Helicobacter 2005; 10: 139–145.
	Incidence of Helicobacter felis and the effect of coinfection with Helicobacter pylori on the gastric mucosa in the african population. Fritz y cols. J Clin Microbiol 2006; 44: 1692–1696.
	Helicobacter pylori: A possible association with otitis media with effusion. Yilmaz T. Otolaryngol Head Neck Surg 2006;134:772-777.
	Helicobacter pylori Treatment: A Practical Approach. Vakil N. Am J Gastroenterol 2006;101:497–499.
	Clarithromycin-resistant genotypes and erradication of Helicobacter pylori. De Francesco y cols. Ann Intern Med 2006; 144: 94-100.
	Implications for induction of autoimmunity via activation of B-1 cells by Helicobacter pylori urease. Yamanishi y cols. Infect Immun 2006; 74: 248-256.
	Five-year follow-up study of mother-to-child transmission of Helicobacter pylori infection detected by a random amplified polymorphic DNA fingerprinting method. Konno y cols. J Clin Microbiol 2005; 43: 2246-2250.
	In vitro antimicrobial susceptibility testing of Helicobacter felis, H. bizzozeronii and H. salomonis. Van den Bulck y cols. Antimicrob Agents Chemother 2005 (Jul): 49: 2997-3000.
	Pathogen evolution in vivo: genome dynamics of two isolates obtained 9 years apart from a duodenal ulcer patient infected with a single Helicobacter pylori strain. Prouzet-Mauleon V y cols. J Clin Microbiol 2005 (Ago): 43: 4237-4241.
	Real-time PCR detection and frequency of 16S rDNA mutations associated with resistance and reduced susceptibility to tetracycline in Helicobacter pylori from England and Wales. Lawson AJ et al. J Antimicrob Chemother 2005; 56: 282-286.
	Significance of transiently positive Enzyme-Linked Immunosorbent Assay results in detection of Helicobacter pylori in stool samples from children. Haggerty TD, Perry S, Sanchez L, Perez-Perez G, Parsonnet J. J Clin Microbiol 2005 (May); 43: 2220-2223.
	The relationship between plasma and gastric ghrelin levels and strain diversity in Helicobacter pylori virulence. Isomoto y cols. Am J Gastroenterol 2005 (jun): 100: 1425-1427.
	Antimicrobial peptides are among the antagonistic metabolites produced by Bifidobacterium against Helicobacter pylori. Collado MC y cols. Intern J Antimicrob Agents 2005; 25: 385-391.
	Impact of clarithromycin resistance on eradication of Helicobacter pylori in infected adults. Lee JH y cols. Antimicrob Agents Chemother 2005 (Abr); 49: 1600-1603.
	Construction of a recombinant attenuated Salmonella typhimurium DNA vaccine carrying Helicobacter pylori hpaA. Xu C y cols. World J Gastroenterol 2005; 11: 114-117.
	Helicobacter pylori infection in hemodialysis patients: Susceptibility to amoxicillin and clarithromycin. Aydemir S y cols. World J Gastroenterol 2005; 11: 842-845.
	Age-dependant accuracy of Helicobacter pylori antibody assays for adults, with special emphasis on atrophic gastritis. Salomaa-Rasanen A y cols. Clin Diag Lab Immunol 2004 (Nov); 11: 1185-1188.
	Distribution of antibiotic MICs for Helicobacter pylori strains over a 16-year period in patients from Seoul, South Korea. Kim JM y cols. Antimicrob Agents Chemother 2004 (Dic); 48: 4843-4847.
	Chronic Helicobacter pylori infection with Sydney strain 1 and a newly identified mouse-adapted strain (Sydney strain 2000) in C57BL/6 and BALB/c mice. Thompson LJ y cols. Infect Immun 2004 (Ago); 72: 4668-4679.
	Implications of molecular genotyping of Helicobacter pylori isolates from different human populations by genomic fingerprinting of Enterobacterial repetitive intergenic consensus regions for strains identification and geographic evolution. Hussain MA y cols. J Clin Microbiol 2004 (Jun); 42: 2372-2378.
	Challenge model for Helicobacter pylori infection in human volunteers. Graham DY y cols. Gut 2004; 53: 1235-1243.
	T2182C mutation in 23S rRNA is associated with clarithromycin resistance in Helicobacter pylori isolates obtained in Bangladesh. Khan R y cols. Antimicrob Agents Chemother 2004 (Sept); 48: 3567-3569.
	Functional adaptation of BabA, the H. pylori ABO blood group antigen binding adhesin. Aspholm-Hurtig M y cols. Science 2004 (Jul); 305: 519-522.
	Evaluation of "Helicobacter heilmannii" subtypes in the gastric mucosas of cats and dogs. Priestnall SL y cols. J Clin Microbiol 2004 (May); 42: 2144-2151.
	Characterization of monospecies biofilm formation by Helicobacter pylori. Cole y cols. J Bacteriol 2004 (May); 186: 3124-3132.
	Nutrient shock and incubation atmosphere influence recovery of culturable Helicobacter pylori from water. Azevedo y cols. Appl Environ Microbiol 2004 (Ene); 70: 490-493.
	Concordance of Helicobacter pylori strains within families. Kivi M y cols. J Clin Microbiol 2003 (Dic); 41: 5604-5608.
	Gastric histopathology, iron status and iron deficiency anemia in children with Helicobacter infection. Baysoy y cols. J Ped Gastroent Nut 2004 (Feb); 38: 146-151.
	Helicobacter species in the intestinal mucosa of patients with ulcerative colitis. Oliveira AG y cols. J Clin Microbiol 2004 (Ene); 42: 284-286.
	Helicobacter pylori virulence factors - one part of a big picture. Hocker M, Hohenberger P. Lancet 2003; 362: 1231-1233.
	Metronidazole-resistant Helicobacter pylori is more prevalent in patients with nonulcer dyspepsia than in peptic ulcer patients in a multiethnic asian population. Lui S-Y y cols. J Clin Microbiol (Nov) 2003; 41: 5011-5014.
	Aspirin inhibits the growth of Helicobacter pylori and enhances its susceptibility to antimicrobial agents. Gut 2003; 52: 490-495.
	Detection of clarithromycin-resistant Helicobacter pylori in stool samples. Fontana y cols. J Clin Microbiol 2003 (Agost); 41: 3636-3640.
	Helicobacter pylori and pancreatic disease. Manes G y cols. J Páncreas (online) 2003; 4: 111-116.
	Density of Helicobacter pylori may affect the efficacy of eradication therapy and ulcer healing in patients with active duodenal ulcers. Lai Y-C y cols. World J Gastroenterol 2003; 9: 1537-1540.
	Transient and Persistent Helicobacter pylori Colonization in Native American Children. Pérez-Pérez GI y cols. J Clin Microbiol 2003 (Jun); 41: 2401-2407.
	Prevalence of Helicobacter pylori in patients with gastro-oesophageal reflux disease: systematic review. Raghunath A y cols. British Medical Journal 2003; 326: 737-743.
	Association of Helicobacter pylori antioxidant activities with host colonization proficiency. Olczak AA y cols. Infect Immun 2003; 71: 580-583.
	Effect of different probiotic preparations on Anti-Helicobacter pylori therapy-related side effects: A parallel group, triple blind placebo-controlled study. Cremonini F y cols. Am J Gastroenterol 2002; 97: 2744-49.
	Clarithromycin resistance among Helicobacter pylori strains isolated from children: Prevalence and study of mechanism of resistance by PCR-Restriction Fragment Length Polymorphism analysis. Alarcón T, Vega AE, Domingo D, Martínez MJ, López-Brea M. J. Clin. Microbiol. 2003 (Ene); 41: 486-488.
	Helicobacter cetorum sp. nov., a urease-positive Helicobacter species isolated from dolphins and whales. Harper C. G. y cols. J. Clin. Microbiol. 2002 (Dic); 40: 4536-4543.
	Factores microbiológicos que afectan a la erradicación de Helicobacter pylori en población adulta y pediátrica. Domingo D. y cols. Enferm. Infecc. Microbiol. Clin. 2002 (Nov); 20: 431-1.
	New site of modification of 23S rRNA associated with clarithromycin resistance of Helicobacter pylori clinical isolates. Fontana C y cols. Antimicrob. Agents Chemother. 2002 (Dic); 46: 3765-3769.
	Helicobacter pylori infection. Suerbaum S & Michetti P. N. Engl. J. Med. 2002 (Oct 10); 347: 1175-1186.
	Real-Time quantitative PCR for detection of Helicobacter pylori. He y cols. J Clin Microbiol 2002 (Oct); 40: 3720-3728.
	Efficacy of quadruple therapy with pantoprazole, bismuth, tetracycline and metronidazole as rescue treatment for Helicobacter pylori infection. Boixeda y cols. Aliment Pharmacol Ther 2002 (Ago); 16: 1457-1460.