title: [Research on the tetanic contraction in the ventricular myocardium of Bufo vulgaris. II. Nature of the excitations which determine the summation of the contractions].
authors.forename: L
authors.initials: L
authors.lastname: SPADOLINI
mesh_terms: D000818:Animals; D002025:Bufonidae; D006352:Heart Ventricles; D009206:Myocardium; D009424:Nervous System Physiological Phenomena; D012106:Research