Ito K, Sato S, Nishijima A, Hiraga K, Hidano A
Experientia. 1976 Apr 15;32(4):511-2. doi: 10.1007/BF01920827.
Electron microscopic observations revealed for the first time a small number of active melanocytes synthesizing distinctive melanin-containing organelles (melanin granules)in the ducts and acini of human sebaceous glands.