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.
Citación estilo ChicagoSierra Ramos, Rafaela, et al. Association of Serum Pepsinogen With Atrophic Body Gastritis in Costa Rica. 2006.
MLA引文Sierra Ramos, Rafaela, et al. Association of Serum Pepsinogen With Atrophic Body Gastritis in Costa Rica. 2006.
警告：這些引文格式不一定是100％准確.