Hernández, F., Rivera, P., Sigarán, M. F., Aguilar-Ortiz, M., Miranda, J., Rodríguez-Jenkins, O., & Murillo, M. (1990). The first cases of Helicobacter pylori (Campylobacter pylori) reported from Costa Rica.

Hernández, Francisco, Patricia Rivera, Manuel F. Sigarán, Manuel Aguilar-Ortiz, Jorge Miranda, Olger Rodríguez-Jenkins, y Mario Murillo. The First Cases of Helicobacter Pylori (Campylobacter Pylori) Reported From Costa Rica. 1990.

Hernández, Francisco, et al. The First Cases of Helicobacter Pylori (Campylobacter Pylori) Reported From Costa Rica. 1990.