NAZIR, M. A.; NAEEM, A.; AHMAD, K.; ASRAR, M.; ZULFIQAR, G.; SHEHERYAR, N. 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), v. 16, n. 3, p. 220-223, 30 set. 2022.