M. M. Salah-Eldin, N. A. Sami, D. G.- eldin Aly, and N. S. Hanafy, “Comparison Between (311–312 nm) Narrow Band Ultraviolet-B Phototherapy and (308 nm) Monochromatic Excimer Light Phototherapy in Treatment of Vitiligo: A Histopathological Study”, J laser Med Sci, vol. 8, no. 3, pp. 123–127, Jun. 2017.