APA Citatie

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 citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.