Cardenas, Victor, Dora Rafaela Ramírez, and Gloria Inés Suárez Rangel. “Analytic Epidemiological Studies As Part of an Epidemic Investigation”. American Journal of Field Epidemiology 1, no. 2 (September 12, 2023): 34–44. Accessed February 23, 2025. https://fieldepidemiology.org/index.php/ajfe/article/view/7849.