Valavanidis, A Studies in vivo by electron spin resonance of free radical mechanisms implicated in UV-induced skin photocarcinogenesis. [electronic resource] - International journal of cosmetic science Aug 1995 - 157-63 p. digital Publication Type: Journal Article ISSN: 0142-5463 Standard No.: 10.1111/j.1467-2494.1995.tb00118.x doi