Safitri, E.A. , Siagian, P. , Sinaga, B.Y.M. and Eyanoer, P.C. 2022. Vitamin C Supplementation Improves Pulmonary Tuberculosis Patients’ Sputum Conversion During Intensive Phase Category I Treatment in Medan. Respiratory Science. 2, 2 (Feb. 2022), 72-77. DOI:https://doi.org/10.36497/respirsci.v2i2.30.