Marpaung, Alexander, Siagian, Parluhutan, AND Sari, Dina. " Influence of Vitamin A Supplementation in Medication of Pulmonary TB Patients on Acceleration of Sputum Conversion in Intensive Phase in The Working Area of Medan Kota Sub District Puskesmas" JURNAL ILMU KEFARMASIAN INDONESIA [Online], Volume 16 Number 2 (30 October 2018)