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, 16(3), 220–223. https://doi.org/10.29054/apmc/2022.1144