Velappan R, Nallu K, Ramasamy S, Chandrasekar M. A prospective study on the efficacy of platelet rich plasma in alopecia areata. Int J Res Dermatol [Internet]. 2019 Jul. 24 [cited 2025 Oct. 27];5(3):583-6. Available from: https://www.ijord.com/index.php/ijord/article/view/710