Action of acetylcholine, carbaminoyl-choline and acetyl-B-methyl-choline on the heart of a cladoceran.
D000109:Acetylcholine; D002794:Choline / Q000031:analogs & derivatives / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D006801:Humans
D002794:Choline; D000109:Acetylcholine
CHOLINE AND CHOLINE DERIVATIVES/effects; HEART/effects of drugs on