“COVID-19 LOWER CASE FATALITY RATE IN THE HIGH ALTITUDES CITIES OF BOLIVIA, COLOMBIA, ECUADOR, MEXICO, AND PERU: POSSIBLE PHYSIOLOGICAL AND ENVIRONMENTAL CAUSES” (2022) PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE KYRGYZ REPUBLIC, (6), pp. 132–133. Available at: https://journal.uia.gov.kg/index.php/main/article/view/191 (Accessed: 19 August 2026).