Differentiation and apoptosis in human immortalized sebocytes. - Wrobel,A.; Seltmann,H.; Fimmel,S.; Muller-Decker,K.; Tsukada,M.; Bogdanoff,B.; Mandt,N.; Blume-Peytavi,U.; Orfanos,CE.; Zouboulis,CC. (J Invest Dermatol, 2003)