Plasma choline and blood cholinesterases in aged rats.
D000375:Aging; D000818:Animals; D002794:Choline / Q000097:blood*; D002802:Cholinesterases / Q000097:blood*; D004912:Erythrocytes / Q000201:enzymology; D008297:Male; D051381:Rats; D011916:Rats, Inbred F344; D011919:Rats, Inbred Strains
D002802:Cholinesterases; D002794:Choline