Faiz, F., A. Shehzad, R. Farooq, S. Mufti, A. Nasir, and T. J. Ahmad. “Efficacy of Platelet-Rich Plasma in the Treatment of Melasma: A Pilot Study”. Journal of Pakistan Association of Dermatologists, vol. 28, no. 3, Dec. 2018, pp. 355-60, https://www.jpad.com.pk/index.php/jpad/article/view/1268.