title: [Comparative studies on the step-phenomenon and postextrasystolic potentiation in the myocardium of various vertebrate species].
mesh_terms: D000818:Animals; D001001:Anura; D016275:Atrial Function; D002024:Bufo marinus; D002025:Bufonidae; D005117:Cardiac Complexes, Premature / Q000503:physiopathology*; D005260:Female; D006168:Guinea Pigs / Q000196:embryology; D009119:Muscle Contraction; D011247:Pregnancy; D011893:Rana esculenta; D012487:Salmonidae; D012519:Sarcoplasmic Reticulum; D016276:Ventricular Function
vernacular_title: Vergleichende Untersuchungen über das Treppenphänomen und die postextrasystolische Potenzierung am Myokard verschiedener Wirbeltierspezies.