Powles, AV, GM Murphy, AJ Rutman, G Haffenden, RD Rosin, JL Hawk, and L Fry. 1989. “Effect of Simulated Sunlight on Langerhans’ Cells in Malignant Melanoma Patients”. Acta Dermato-Venereologica 69 (6):482-86. https://doi.org/10.2340/0001555569482486.