Development and optimization of a new competitive ELISA using recombinant (rPSA D15 and rCag11) antigens for the detection of Helicobacter pylori infection - Biniam Moges Eskeziyaw; Naomi Maina; Rebecca Waihenya; Matthew Mutinda Munyao; Tonny Teya Nyandwaro; Shingo Inoue; Samson Muuo Nzou (PLoS ONE, 2025)