title: Cytogenetic effects on the eastern mudminnow, Umbra pygmaea, exposed to ethyl methanesulfonate, benzo[a]pyrene, and river water.
mesh_terms: D000818:Animals; D001564:Benzo(a)pyrene; D001579:Benzopyrene Hydroxylase / Q000378:metabolism; D001580:Benzopyrenes / Q000633:toxicity*; D001973:Bromodeoxyuridine / Q000494:pharmacology; D002869:Chromosome Aberrations; D005020:Ethyl Methanesulfonate / Q000633:toxicity*; D005399:Fishes / Q000502:physiology*; D005618:Fresh Water; D008099:Liver / Q000201:enzymology; D009153:Mutagens; D012854:Sister Chromatid Exchange / Q000187:drug effects; D014867:Water
chemical_list: D001580:Benzopyrenes; D009153:Mutagens; D014867:Water; D001564:Benzo(a)pyrene; D005020:Ethyl Methanesulfonate; D001579:Benzopyrene Hydroxylase; D001973:Bromodeoxyuridine