González, Paulina, Abelino Sánches, Patricia Rivera, Carlos Jiménez, and Francisco Hemández. “Rotavirus and Coronavirus Outbreak: Etiology of Annual Diarrhea in Costa Rican Children”. Revista de Biología Tropical 45, no. 3 (September 1, 1997): 989–991. Accessed May 2, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/21087.