Responses of smooth muscle of gastroin-testinal and genitourinary tracts.
D041981:Gastrointestinal Tract / Q000494:pharmacology*; D006801:Humans; D009130:Muscle, Smooth; D009132:Muscles / Q000494:pharmacology*; D010600:Pharmacology; D014551:Urinary Tract; D014566:Urogenital System / Q000494:pharmacology*
DRUGS/pharmacology; GASTROINTESTINAL SYSTEM/pharmacology; MUSCLES/pharmacology; UROGENITAL SYSTEM/pharmacology