“Journal of Pharmaceutical Negative Results ¦ Volume 13 ¦ Issue 4 ¦ 2022 1172 ANALYSIS OF COMORBID DISEASE RISK FACTORS ON COVID-19 PATIENTS TO MORTALITY RATES IN SORONG CITY” (2022) Journal of Pharmaceutical Negative Results, 13(4), pp. 1172–1175. doi:10.47750/pnr.2022.13.04.164.