3hnokawa G, Miyagishi M, Yada Y. Endothelin-1 as a new melanogen: coordinated expression of its gene and the tyrosinase gene in UVB-exposed human epidermis [J]. J Invest Dermatol, 1995, 105: 32-37.
4Wu CS, Yu CL, Wu CS, et al. Narrow-band ultraviolet-B stimulates proliferation and migration of cultured melanocytes[J]. Exp Dermatol, 2004, 13:755-763.
