Cita APA

Une, C. A., Malespín Bendaña, W. K., 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.

Chicago Style Citation

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

Cita MLA

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