एपीए उद्धरण

Une, C., Malespín Bendaña, W., Ramírez-Mayorga, V., Rosero Bixby, L., & Sierra Ramos, R. (2022). Helicobacter pylori infection and serum pepsinogen concentrations in an elderly population representative of Costa Rica.

शिकागो स्टाइल उद्धरण

Une, Clas, Wendy Malespín Bendaña, Vanessa Ramírez-Mayorga, Luis Rosero Bixby, और Rafaela Sierra Ramos. Helicobacter Pylori Infection and Serum Pepsinogen Concentrations in an Elderly Population Representative of Costa Rica. 2022.

एमएलए उद्धरण

Une, Clas, et al. Helicobacter Pylori Infection and Serum Pepsinogen Concentrations in an Elderly Population Representative of Costa Rica. 2022.