Lovera, Dolores, Celia Martínez-Cuellar, Fernando Galeano, Sara Amarilla, Cynthia Vazquez, and Antonio Arbo. “Clinical Manifestations of Primary and Secondary Dengue in Paraguay and Its Relation to Virus Serotype”. The Journal of Infection in Developing Countries 13, no. 12 (December 31, 2019): 1127-1134. Accessed January 20, 2020. https://jidc.org/index.php/journal/article/view/11584.