1. Cardiac responses to β-adrenergic stimulation in anesthetized dogs with chronic congestive heart failure

   • I. H. Zucker
   • E. Waltke
   • J. P. Gilmore

   Original Contributions Pages: 697 - 711

2. The influence of hypoxia and metabolic inhibitors on the excitation process in atrio ventricular node

   • M. Kohlhardt
   • K. Haap

   Original Contributions Pages: 712 - 727

3. Substrate dependence of reoxygenation arrhythmias in the isolated rat heart

   • W. J. G. Krieger
   • J. W. T. Fiolet
   • R. Th. van Dam

   Original Contributions Pages: 728 - 738

4. Significance of glucose for mechanical activity, flavin and pyridine nucleotide oxidation-reduction changes in isolated rat portal veins under ACh-stimulation

   • A. M. Linke
   • H. Heinle
   • E. Betz

   Original Contributions Pages: 739 - 746

5. Validation studies for the use of the microsphere method in cats and young minipigs

   • R. P. Hof
   • F. Wyler
   • G. Stalder

   Original Contributions Pages: 747 - 756

6. Inhibition of hypoxia-induced cardiac hypertrophy by verapamil in rats

   • A. Genovese
   • M. Chiariello
   • M. Condorelli

   Original Contributions Pages: 757 - 763

7. Hydraulic permeability of canine and human pericardium in vitro

   • R. Fingerote
   • H. Y. M. Fung
   • S. W. Rabkin

   Original Contributions Pages: 764 - 771

8. Catechnolamine-cyclic-AMP-Ca²⁺-induced ventricular tachycardia in the intact pig heart

   • T. Podzuweit

   Original Contributions Pages: 772 - 779

9. Function and energy metabolism of isolated rat hearts as influenced by Sr^++*

   • J. Giesen
   • R. Müller
   • H. Kammermeier

   Original Contributions Pages: 780 - 801