Aniqa Ashfaq, Dr Zainab Akhtar, Dr Sarah Arif, Dr Sahrish Jabeen, Dr Awais Latif, and Dr Arzoo Fatima. 2026. “Association of Serum Vitamin D and Ferritin Levels With Disease Activity in Patients With Rheumatoid Arthritis”. International Journal of Pharmacy Research & Technology (IJPRT) 16 (2):7216-20. https://www.ijprt.org/index.php/pub/article/view/3463.