Effect of papaverine on potassium and caffeine-induced contractures on frog skeletal muscle.
D000818:Animals; D001001:Anura; D002110:Caffeine / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000187:drug effects; D010208:Papaverine / Q000494:pharmacology*; D011188:Potassium / Q000494:pharmacology*
D002110:Caffeine; D010208:Papaverine; D011188:Potassium