title: Studies on the acute and long-term oral toxicity fo chlorpyrifos (0,0-diethyl-0(3,5,6-trichloro-2-pyridyl) phosphorothioate).
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001921:Brain / Q000201:enzymology; D002645:Chickens; D004390:Chlorpyrifos / Q000008:administration & dosage / Q000633:toxicity*; D002802:Cholinesterases / Q000097:blood / Q000378:metabolism; D004285:Dogs; D005260:Female; D006168:Guinea Pigs; D007928:Lethal Dose 50; D008297:Male; D009929:Organ Size; D011817:Rabbits; D051381:Rats; D013997:Time Factors
chemical_list: D002802:Cholinesterases; D004390:Chlorpyrifos