Gniadecki, R. et al. 1998. Variable Expression of Apoptotic Phenotype in Keratinocytes Treated with Ultraviolet Radiation;Ceramide;Or Suspended in Semisolid Methylcellulose. Acta Dermato-Venereologica. 78, 4 (Aug. 1998), 248–257. DOI:https://doi.org/10.1080/000155598441800.