1.
Pohan DJ, Gultom FL, Halim BP. Description of Covid-19 Patients with Comorbidity. J. Drug Delivery Ther. [Internet]. 2022 Jul. 30 [cited 2026 Jul. 30];12(4):116-24. Available from: https://jddtonline.info/index.php/jddt/article/view/5463