González, P., Sánches, A., Rivera, P., Jiménez, C., & Hemández, F. (1997). Rotavirus and coronavirus outbreak: etiology of annual diarrhea in Costa Rican children. Revista De Biología Tropical, 45(3), 989–991. Retrieved from https://revistas.ucr.ac.cr/index.php/rbt/article/view/21087