title: The use of specific radioimmunoassay to determine action spectra for the photolysis of (6-4) photoproducts.
mesh_terms: D002460:Cell Line; D004249:DNA Damage; D005347:Fibroblasts / Q000528:radiation effects; D006801:Humans; D011743:Pyrimidines / Q000032:analysis*; D011744:Pyrimidinones / Q000032:analysis*; D011863:Radioimmunoassay / Q000379:methods; D012867:Skin / Q000528:radiation effects; D014466:Ultraviolet Rays
chemical_list: D011743:Pyrimidines; D011744:Pyrimidinones