Fabiato, A Excitation-contraction coupling of isolated cardiac fibers with disrupted or closed sarcolemmas. Calcium-dependent cyclic and tonic contractions. [electronic resource] - Circulation research Sep 1972 - 293-307 p. digital Publication Type: Journal Article ISSN: 0009-7330 Standard No.: 10.1161/01.res.31.3.293 doi Subjects--Topical Terms: Action PotentialsAdenosine Triphosphate--pharmacologyAnimalsAnuraCaffeine--pharmacologyCalcium--pharmacologyCatsGlycols--pharmacologyHeart--physiologyHeart Ventricles--drug effectsHydrogen-Ion ConcentrationMagnesium--pharmacologyMicrobial Collagenase--pharmacologyMicroscopy, Phase-ContrastMuscle ContractionMyofibrils--drug effectsRatsSarcoplasmic Reticulum--physiologySpecies SpecificityTrypsin--pharmacologyVentricular Function