APA aipamena

Sierra Ramos, R., Une, C. A., Ramírez Mayorga, V., González Lutz, M. I., Ramírez, J. A., de Mascarel, A., . . . Mégraud, F. (2006). Association of serum pepsinogen with atrophic body gastritis in Costa Rica.

Chicago Style aipamena

Sierra Ramos, Rafaela, et al. Association of Serum Pepsinogen With Atrophic Body Gastritis in Costa Rica. 2006.

MLA aipamena

Sierra Ramos, Rafaela, et al. Association of Serum Pepsinogen With Atrophic Body Gastritis in Costa Rica. 2006.