MUSFARDI RUSTAM; MARTHA HASANAH RUSTAM; AFRINALDY RUSTAM; YEPI KURNIADI; IMAM SLAMET PRASETIO; UMI NADATUL ANNISA. Characteristics and comorbidity of confirmed COVID-19 death cases at the Arifin Achmad Hospital in Riau province from March 2020 to September 2021. Journal of the Pakistan Medical Association, [S. l.], v. 74, n. 5 (Supple), p. S18-S20, 2024. DOI: 10.47391/JPMA.Ind-RINC-05. Disponível em: https://www.jpma.org.pk/index.php/public_html/article/view/21219. Acesso em: 30 apr. 2026.