Sitanggang, F.T., Simanjuntak, J.P. and Siti Sakdiah 2023. Study on the relationship between Vitamin D deficiency and Leukocyte Ratio in Multidrug Resistant Tuberculosis patients. International Journal of Advanced Health Science and Technology. 3, 6 (Dec. 2023). DOI:https://doi.org/10.35882/ijahst.v3i6.300.