Zhang, T., Meng, X., Wang, X., Mi, S., Qu, Y., Li, J., Hou, S., Wang, Y., Yin, M. (2025). Associations of serum pepsinogen and Gastrin-17 with Helicobacter pylori infection, sex, and age, in an asymptomatic coastal population: A cross-sectional study in Rizhao, China. PLoS ONE. https://doi.org/10.1371/journal.pone.0335228