Cita APA (7a ed.)
Castillo-Rojas, G., Ballesteros, M. A., Ponce de León, S., Morales-Espinosa, R., Cravioto, A., & López-Vidal, Y. (2002). Bleeding peptic ulcers and presence of Helicobacter pylori by various tests: A case-control study. European Journal of Gastroenterology & Hepatology, 14(10), 1113-1119.
Cita Chicago Style (17a ed.)
Castillo-Rojas, Gonzalo, M Arturo Ballesteros, Sergio Ponce de León, Rosario Morales-Espinosa, Alejandro Cravioto, y Yolanda López-Vidal. "Bleeding Peptic Ulcers and Presence of Helicobacter Pylori by Various Tests: A Case-control Study." European Journal of Gastroenterology & Hepatology 14, no. 10 (2002): 1113-1119.
Cita MLA (9a ed.)
Castillo-Rojas, Gonzalo, et al. "Bleeding Peptic Ulcers and Presence of Helicobacter Pylori by Various Tests: A Case-control Study." European Journal of Gastroenterology & Hepatology, vol. 14, no. 10, 2002, pp. 1113-1119.
Precaución: Estas citas no son 100% exactas.