Musfardi Rustam, Martha Hasanah Rustam, Afrinaldy Rustam, Yepi Kurniadi, Imam Slamet Prasetio, & Umi Nadatul Annisa. (2024). 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, 74(5 (Supple), S18-S20. https://doi.org/10.47391/JPMA.Ind-RINC-05