title: Dietary selenium and arsenic affect DNA methylation.
authors.forename: C A
authors.initials: CA
authors.lastname: Cooney
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001151:Arsenic / Q000008:administration & dosage*; D003106:Colon / Q000378:metabolism; D019175:DNA Methylation; D004032:Diet; D008099:Liver / Q000378:metabolism; D051381:Rats; D012643:Selenium / Q000008:administration & dosage*
chemical_list: D012643:Selenium; D001151:Arsenic