Shazia Ashraf, Hina Khalil, Afshan Batool, Saleem Adil, Neha Ahuja 2023. Determine the Frequency of Vitamin D Deficiency in Polycystic Ovarian Syndrome Patients. Pakistan Journal of Medical & Health Sciences. 17, 12 (Dec. 2023), 484. DOI:https://doi.org/10.53350/pjmhs020231712484.