Caputo, C Caffeine- and potassium-induced contractures of frog striated muscle fibers in hypertonic solutions. [electronic resource] - The Journal of general physiology Sep 1966 - 129-39 p. digital Publication Type: Journal Article ISSN: 0022-1295 Standard No.: 10.1085/jgp.50.1.129 doi Subjects--Topical Terms: AnimalsAnuraCaffeine--pharmacologyCalcium--pharmacologyElectric StimulationHypertonic Solutions--pharmacologyMuscle Contraction--drug effectsMuscles--physiologyMyofibrils--drug effectsPotassium--pharmacologyProcaine--pharmacology