Mayorga Ramos, Arianna. “HIGH MORTALITY RATE AMONG OLDER POPULATION WITH COVID-19 IN ECUADOR. A RETROSPECTIVE CASE-STUDY (MARCH 15, 2020 – APRIL 15, 2020): Manuscrito Recibido: 31 07 2020 Aceptado: 07 04 2021”. Investigación Y Desarrollo, vol. 14, no. 1, Dec. 2021, pp. 8-16, doi:10.31243/id.v14.2021.1332.