Velappan, R., Nallu, K., Ramasamy, S. and Chandrasekar, M. (2019) “A prospective study on the efficacy of platelet rich plasma in alopecia areata”, International Journal of Research in Dermatology, 5(3), pp. 583–586. doi: 10.18203/issn.2455-4529.IntJResDermatol20192096.