title: A model system for the evaluation of the role of cholesterol  -oxide in ultraviolet carcinogenesis.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002273:Carcinogens; D002784:Cholesterol / Q000096:biosynthesis* / Q000302:isolation & purification; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D004307:Dose-Response Relationship, Radiation; D004988:Ethers, Cyclic / Q000096:biosynthesis; D066298:In Vitro Techniques; D051379:Mice; D008954:Models, Biological; D009374:Neoplasms, Experimental; D009381:Neoplasms, Radiation-Induced; D011830:Radiation Effects; D012867:Skin / Q000378:metabolism / Q000528:radiation effects; D013997:Time Factors; D014466:Ultraviolet Rays
chemical_list: D002247:Carbon Isotopes; D002273:Carcinogens; D004988:Ethers, Cyclic; D002784:Cholesterol