Siddika, Ayesha, Md Shah Alam, Md Rashiduzzaman Khan, Laila Siddika, Rabaya Sharmin, Afsana Nahid, and Rashed Mohammad Khan. “Serum 25-Hydroxy Vitamin D Level in Patients With Alopecia Areata and Its Relationship With Severity of the Disease”. Journal of Dhaka Medical College 32, no. 2 (September 23, 2025): 100–106. Accessed December 4, 2025. https://banglajol.info/index.php/JDMC/article/view/83430.