Kinsler VA, Abu-Amero S, Budd P, Jackson IJ, Ring SM, Northstone K, Atherton DJ, Bulstrode NW, Stanier P, Hennekam RC, Sebire NJ, Moore GE, Healy E. Germline melanocortin-1-receptor genotype is associated with severity of cutaneous phenotype in congenital melanocytic nevi: a role for MC1R in human fetal development. J Invest Dermatol. 2012 Aug; 132(8):2026-32.