Serum 25-Hydroxy Vitamin D Level in Patients with Alopecia Areata and Its Relationship with Severity of the Disease. J Dhaka Med Coll [Internet]. 2025 Sep. 23 [cited 2026 Jul. 9];32(2):100-6. Available from: https://banglajol.info/index.php/JDMC/article/view/83430