Zarmina Hussain, Komal Iqbal, Rabea Nasir, Zainab Abbas Mirza, Aasia Fozia, and Muhammad Mohsin Ul Alam. “Association of Serum Ferritin and Vitamin D Levels With Severity of Iron Deficiency Anaemia and Response to Oral Ferrous Sulfate Therapy in Pregnant Women”. International Journal of Pharmacy Research & Technology (IJPRT) 16, no. 2 (August 30, 2026): 4655–4662. Accessed September 16, 2026. https://www.ijprt.org/index.php/pub/article/view/3078.