Nazir, M. A., Naeem, A., Ahmad, K., Asrar, M., Zulfiqar, G., & Sheheryar, N. (2022). Prevalence of Vitamin D Deficiency in Patients with Active Tuberculosis at a Tertiary Care Hospital: A Cross-Sectional Study. Annals of Punjab Medical College (APMC), 16(3), 168-171. https://doi.org/10.29054/apmc/2022.1144