Lubis, Melviana, Bintang Yinke Magdalena Sinaga, and Nita Andriani Lubis. 2020. “Vitamin D Deficiency Prevalence And Its Association With Bacterial Load Sputum in Newly Diagnosed TB Patients”. Majalah Kedokteran Bandung 52 (1):1-5. https://doi.org/10.15395/mkb.v52n1.1937.