Fatima, U.; Naeem, U.; Quratul-Ann-Mustafa; Bashir, S.; Siddiqi, A.; Bukhari, S. B. A Case Control Study to Determine the Frequency of Vitamin D Deficiency in Carcinoma Breast in Females of Local Population of Rawalpindi and Islamabad Area. J Pak Med Assoc 2026, 76, 1283-1287.