Effects of acetylcholine and 5-hydroxytryptamine on the contraction of a molluscan smooth muscle.
D000109:Acetylcholine / Q000494:pharmacology*; D009130:Muscle, Smooth; D009132:Muscles / Q000494:pharmacology*; D012701:Serotonin / Q000494:pharmacology*
D012701:Serotonin; D000109:Acetylcholine
ACETYLCHOLINE/pharmacology; MUSCLES/pharmacology; SEROTONIN/pharmacology