Helicobacter pylori infection prevalence and inflammation severity in celiac disease: a retrospective analysis of 946 duodenal biopsies and serological tests - Gürlek, Feridun; Coşkun, Fatih; Taşdemir, Eyyüp; Erkinüresin, Taşkın; Koca, Nizamettin; Özdemir, Öner (Alergologia Polska - Polish Journal of Allergology, 2025)