Evidence of heterogeneity and quantitative differences of the type 1 5α-reductase expression in cultured human skin cells. Evidence of its presence in melanocytes. - Chen,W.; Zouboulis,CC.; Fritsch,M.; Blume-Peytavi,U.; Kodelja,V.; Goerdt,S.; Luu-The,V.; Orfanos,CE. (J Invest Dermatol, 1998)