title: Effects of catecholamines on excitation-contraction coupling in frog single twitch fiber.
mesh_terms: D000433:1-Propanol / Q000494:pharmacology; D000200:Action Potentials / Q000187:drug effects; D000262:Adenylyl Cyclases / Q000494:pharmacology; D000818:Animals; D001001:Anura; D003994:Bucladesine / Q000494:pharmacology; D002110:Caffeine / Q000494:pharmacology; D004837:Epinephrine / Q000494:pharmacology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D009132:Muscles / Q000166:cytology / Q000201:enzymology; D010740:Phospholipases / Q000494:pharmacology; D011188:Potassium / Q000494:pharmacology
chemical_list: D002110:Caffeine; D003994:Bucladesine; D000433:1-Propanol; D010740:Phospholipases; D000262:Adenylyl Cyclases; D007545:Isoproterenol; D011188:Potassium; D004837:Epinephrine