Fuentes
https://www.who.int/es/news/item/29-01-2021-who-publishes-new-essential-diagnostics-list-and-urges-countries-to-prioritize-investments-in-testing
Organización mundial de la Salud (OMS)
https://www.fundacionunam.org.mx/unam-al-dia/un-chequeo-medico-general-puede-salvarnos-la-vida/
UNAM