Sari, Dina Keumala, Alexander Parlindungan Marpaung, Parluhutan Siagian, and Nurfida Khairina Arrasyid. “Vitamin A Supplementation in Pulmonary Tuberculosis Patients on Acceleration of Sputum Conversion in Medan City”. Open Access Macedonian Journal of Medical Sciences 7, no. 20 (October 14, 2019): 3505–3508. Accessed May 3, 2024. https://oamjms.eu/index.php/mjms/article/view/oamjms.2019.688.