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The Lancet Regional Health – Americas  (2025)

Comparison between optimized bismuth quadruple therapy and standard clarithromycin-based triple therapy for first-line Helicobacter pylori eradication: a double-blind randomized controlled trial

Medel-Jara PA, Latorre G, Fuentes-Lopez E, Pizarro M, Viviani P, Chahuán J, Maquilón S, Corsi O, Reyes D, Espino A, Vargas JI, Wichmann IA, Harris P, Serrano C, Buruato I, Sandoval C, Varela NM, Cerpa L, Quiñones L, Megraud F, Huang RJ, Shah SC, Perez