Frequency and factors associated with severe COVID-19 patients.Published in:Professional Medical Journal, 2024, v. 31, n. 5, p. 733, doi. 10.29309/TPMJ/2024.31.05.8079By:Kumar, Dilpat;Akhtar, Syed Tesheen;Haroon, Muhammad Hussain;Kumar, Arjan;Bai, Sapna;Hanif, AmberPublication type:Article