Effectiveness and safety of first-line empirical Helicobacter pylori eradication regimens in Switzerland: an interim analysis from a prospective multicentre registry (Hp-EuReg). Swiss Med Wkly [Internet]. 2025 Jul. 14 [cited 2025 Oct. 28];155(7):4191. Available from: https://smw.ch/index.php/smw/article/view/4191