title: Chronic dose effects of methyl parathion on nuthatches: cholinesterase and ptilochronology.
authors.affiliation: Department of Zoology, Ohio State University, Columbus 43210.
authors.forename: G B
authors.initials: GB
authors.lastname: Herbert
authors.forename: T J
authors.initials: TJ
authors.lastname: Peterle
authors.forename: T C
authors.initials: TC
authors.lastname: Grubb
mesh_terms: D000818:Animals; D001717:Birds; D001835:Body Weight / Q000187:drug effects; D001921:Brain / Q000201:enzymology; D002800:Cholinesterase Inhibitors; D002802:Cholinesterases / Q000032:analysis*; D005241:Feathers / Q000187:drug effects* / Q000254:growth & development; D005260:Female; D008297:Male; D008743:Methyl Parathion / Q000633:toxicity*; D010278:Parathion / Q000031:analogs & derivatives*
chemical_list: D002800:Cholinesterase Inhibitors; D008743:Methyl Parathion; D010278:Parathion; D002802:Cholinesterases