SYAF, S. .; ADRIANISON, A.; SIMANJUNTAK, A. M. . Profile of COVID-19 Patients at Arifin Achmad Hospital, Riau Province Between January 2021 and June 2021. Respiratory Science, [S. l.], v. 4, n. 3, p. 18-163, 2024. DOI: 10.36497/respirsci.v4i3.113. Disponível em: https://mail.respiratoryscience.or.id/index.php/journal/article/view/113. Acesso em: 1 aug. 2026.