John, Albin, Freedom Ha, and Mimi Zumwalt. “Susceptibility/Manifestations of Different Age Groups With Various Comorbidities to COVID-19 Infection”. The Southwest Respiratory and Critical Care Chronicles 8, no. 35 (July 23, 2020): 7-16. Accessed April 23, 2024. https://pulmonarychronicles.com/index.php/pulmonarychronicles/article/view/731.