Procaine on smooth muscle.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002118:Calcium / Q000494:pharmacology; D006168:Guinea Pigs; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects*; D011188:Potassium / Q000494:pharmacology; D011343:Procaine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D013997:Time Factors; D014513:Ureter
D011343:Procaine; D011188:Potassium; D002118:Calcium