Histo-epidemiological aspect of Helicobacter pylori chronic gastritis in a Moroccan populationRadia El Gui, Hajar Hechlaf, Soumia Ed-Day, Omar Akhouayri, Samira Boulbaroud and Fatima-Zahra AzzaouiE3S Web Conf., 319 (2021) 01027DOI: https://doi.org/10.1051/e3sconf/202131901027