title: Effects of malathion, diazinon, and parathion on mallard embryo development and cholinesterase activity.
mesh_terms: D000014:Abnormalities, Drug-Induced / Q000209:etiology; D000818:Animals; D002802:Cholinesterases / Q000378:metabolism*; D003976:Diazinon / Q000633:toxicity*; D004372:Ducks; D004625:Embryo, Nonmammalian / Q000187:drug effects* / Q000502:physiology; D006128:Growth / Q000187:drug effects; D007306:Insecticides / Q000633:toxicity*; D008294:Malathion / Q000633:toxicity*; D010278:Parathion / Q000633:toxicity*
chemical_list: D007306:Insecticides; D010278:Parathion; D002802:Cholinesterases; D008294:Malathion; D003976:Diazinon