[1]
I. Ahmad, F. A. Rathore, M. N. Khan, and S. N. B. Nazir, “RISK FACTORS ASSOCIATED WITH IN-HOSPITAL DEATH IN ADULT COVID-19 PATIENTS IN KARACHI, PAKISTAN: A RETROSPECTIVE CHART REVIEW”, PAFMJ, vol. 70, no. 1, pp. S347–53, Aug. 2020.