Komal Ashok, Abdul Hameed Radhan, Farzana Shaikh, Khuda Bux Khosa, Zamir Ahmed Qambrani, Suresh Kumar, Muhammad Nadeem Chohan. Frequency of Vitamin D Deficiency in the Mothers of Low Birth-Weight Newborns: A Cross-Sectional Study. Pakistan Journal of Medical & Health Sciences 2023, 17, 479.