Cholinesterase levels and operant extinction.
D000818:Animals; D001921:Brain / Q000201:enzymology*; D002802:Cholinesterases / Q000378:metabolism*; D005108:Extinction, Psychological; D007531:Isoflurophate / Q000494:pharmacology; D011725:Pyridines / Q000494:pharmacology; D051381:Rats
D011725:Pyridines; D007531:Isoflurophate; D002802:Cholinesterases