title: The effect of procaine on the urinary bladder smooth muscle of bullfrogs.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium; D003080:Cold Temperature; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D007552:Isotonic Solutions; D008345:Manganese / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D011188:Potassium; D011343:Procaine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D011892:Rana catesbeiana; D013779:Tetrodotoxin / Q000494:pharmacology; D001743:Urinary Bladder / Q000187:drug effects*
chemical_list: D007552:Isotonic Solutions; D008345:Manganese; D013779:Tetrodotoxin; D011343:Procaine; D011188:Potassium; D002118:Calcium