title: Effects of organophosphorus insecticides on Dugesia tigrina: cholinesterase activity and head regeneration.
authors.affiliation: Department of Veterinary Biosciences, University of Illinois, Urbana 61801.
authors.forename: D
authors.initials: D
authors.lastname: Villar
authors.forename: M
authors.initials: M
authors.lastname: González
authors.forename: M J
authors.initials: MJ
authors.lastname: Gualda
authors.forename: D J
authors.initials: DJ
authors.lastname: Schaeffer
mesh_terms: D000110:Acetylcholinesterase / Q000187:drug effects* / Q000378:metabolism*; D000818:Animals; D002800:Cholinesterase Inhibitors / Q000633:toxicity; D005278:Fenitrothion / Q000633:toxicity; D006257:Head / Q000254:growth & development / Q000502:physiology*; D007306:Insecticides / Q000633:toxicity*; D007928:Lethal Dose 50; D008743:Methyl Parathion / Q000633:toxicity; D010932:Planarians / Q000187:drug effects* / Q000201:enzymology / Q000502:physiology*; D012038:Regeneration / Q000187:drug effects* / Q000502:physiology
chemical_list: D002800:Cholinesterase Inhibitors; D007306:Insecticides; D008743:Methyl Parathion; D000110:Acetylcholinesterase; D005278:Fenitrothion