effects of organophosphorus compounds , o , o-dimethyl o- ( 2,2-dichlorovinyl ) phosphate ( ddvp ) and o , o-dimethyl o- ( 3-methyl 4-nitrophenyl ) phosphorothioate ( fenitrothion ) , on brain acetylcholine content and acetylcholinesterase activity in japanese quail .
C0006104
brain
C0423896
content