title: Formation of a carcinogen in human skin irradiated with ultraviolet light.
mesh_terms: D002247:Carbon Isotopes; D002273:Carcinogens / Q000096:biosynthesis*; D002784:Cholesterol / Q000378:metabolism; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D004988:Ethers, Cyclic / Q000378:metabolism; D006801:Humans; D066298:In Vitro Techniques; D010084:Oxidation-Reduction; D010777:Photochemistry; D011830:Radiation Effects; D012867:Skin / Q000378:metabolism / Q000528:radiation effects*; D014466:Ultraviolet Rays
chemical_list: D002247:Carbon Isotopes; D002273:Carcinogens; D004988:Ethers, Cyclic; D002784:Cholesterol