Evaluation of Pepsinogen I, II, Gastrin 17 and Helicobacter pylori IgG in Atrophic Gastritis: A Head-To-Head Comparison of Lateral Flow and Enzyme-Linked Immunosorbent Assays. - Xiang L; Zhou Y; Guo X; Mommersteeg MC; Nieuwenburg SAV; Peppelenbosch MP; Spaander MCW; Fuhler GM (Helicobacter, 2025)