title: The effects of the "calcium-antagonist", prenylamine, on the action potential of crayfish muscle (Oronectes virilis).
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D003400:Astacoidea; D002118:Calcium / Q000037:antagonists & inhibitors*; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D011299:Prenylamine / Q000494:pharmacology*; D011343:Procaine / Q000494:pharmacology
chemical_list: D011343:Procaine; D011299:Prenylamine; D002118:Calcium