Oscanoa Espinoza, Teodoro J., José Amado-Tineo, Ricardo Ayala-García, Roxana Mamani-Quiroz, Javier Matta-Pérez, Ángel Ardiles-Melgarejo, Carlos Marcos-Hernández, Waldo Taype-Huamaní, Jefferson Rojas-Guimaray, Sthephany Matos-Santiváñez, Loyda Miranda-Chávez, Ana Deza-Sime, Moisés Apolaya-Segura, and Roman Romero-Ortuno. “Clinical Features and Mortality Predictors of Older Hospitalized Patients With Severe COVID-19 in Lima, Perú”. JOURNAL OF GERONTOLOGY AND GERIATRICS (December 19, 2022): 1-10. Accessed March 25, 2023. http://www.jgerontology-geriatrics.com/article/view/470.