title: Altered methylation of endogenous viral promoter sequences during mammary carcinogenesis.
mesh_terms: D000818:Animals; D001483:Base Sequence; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000235:genetics*; D008325:Mammary Neoplasms, Experimental / Q000382:microbiology*; D008324:Mammary Tumor Virus, Mouse / Q000235:genetics*; D051379:Mice; D009876:Operon
chemical_list: D004279:DNA, Viral; D004262:DNA Restriction Enzymes