Karn, D, et al. “Q-Switched Neodymium-Doped Yttrium Aluminum Garnet Laser Therapy for Pigmented Skin Lesions: Efficacy and Safety”. Kathmandu University Medical Journal, vol. 10, no. 2, Jan. 2013, pp. 46-50, doi:10.3126/kumj.v10i2.7343.