Rodríguez-Valero, Monica, Hector Manuel Prado Calleros, Gerardo Arturo Bravo Escobar, Rafael Ricardo Valdez Vázquez, Rafael Figueroa Moreno, Guillermo Martínez Montes, and Simón Kawa Karasik. “Difference Between Early Clinical Features of Swine Origin A H1N1 Influenza Corfirmed and Not Confirmed Infection in Mexico”. The Journal of Infection in Developing Countries 6, no. 04 (November 30, 2011): 302–310. Accessed May 3, 2024. https://jidc.org/index.php/journal/article/view/22505438.