Mice, Inbred SENCARPapilloma9,10-Dimethyl-1,2-benzanthraceneCocarcinogenesisSkin NeoplasmsBenzoyl PeroxideTetradecanoylphorbol AcetateCarcinogensMice, Inbred StrainsBenzo(a)pyreneSkinHydrolyzable TanninsAdministration, TopicalOrnithine DecarboxylaseEpidermisMethylnitronitrosoguanidineBenz(a)AnthracenesUrethaneNeoplasm Regression, SpontaneousBenzopyrenesPhotosensitivity DisordersSpecies SpecificityFluocinolone Acetonide