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. Journal of Pharmaceutical Negative Results, [S. l.], v. 13, n. 4, p. 1172–1175, 2022. DOI: 10.47750/pnr.2022.13.04.164. Disponível em: https://mail.pnrjournal.com/index.php/home/article/view/3208.. Acesso em: 13 jun. 2026.