Jain M, Yadav DK, Nyati A, Lal M. Evaluation of serum 25-hydroxy vitamin D levels in alopecia areata of scalp: a cross sectional observational study. Int J Res Dermatol [Internet]. 2021 Oct. 27 [cited 2026 Apr. 22];7(6):776-81. Available from: https://www.ijord.com/index.php/ijord/article/view/1443