1. Synthesis and degradation of NAD in guinea pig cardiac muscle: II. Studies about the different biosynthetic pathways and the corresponding intermediates

   • U. Delabar
   • M. Siess

   Original Contributions Pages: 571 - 593

2. Stress as an index of metabolic cost in papillary muscle of the cat

   • J. K. Barclay
   • C. L. Gibbs
   • D. S. Loiselle

   Original Contributions Pages: 594 - 603

3. Influence of contractile state on the size of the extracellular space in isolated ventricular myocardium

   • P. A. Poole-Wilson
   • P. D. Bourdillon
   • D. P. Harding

   Original Contributions Pages: 604 - 610

4. The role of ATP and lactic acid for mitochondrial function during myocardial ischemia

   • H. Kahles
   • M. M. Gebhard
   • P. G. Spieckermann

   Original Contributions Pages: 611 - 620

5. Über die strukturgebundene, mikroskopische Erfassung der Erregungsausbreitung am Froschherzen mit Hilfe flüssiger Kristalle

   • G. Weichert

   Original Contributions Pages: 621 - 638

6. Pulsus alternans in regionally hypoxic ventricles of open-chest dogs: Regional mechanical alternation of potentiation and attenuation of the inotropic state

   • B. Crozatier
   • D. Caillet
   • P. Gastineau

   Original Contributions Pages: 639 - 648

7. Cartilage and bone formation in arterial wall 1. Morphological and histochemical aspects

   • P. Hadjiisky
   • S. Donev
   • J. Dutartre

   Original Contributions Pages: 649 - 662

8. Inert gas measurement of heterogeneous myocardial perfusion

   • P. Schanzenbächer
   • F. J. Klocke

   Original Contributions Pages: 663 - 674

9. Cardioprotection by oxyfedrine in hereditary cardiomyopathic hamsters

   • K. Lossnitzer
   • A. Konrad
   • F. Stroman

   Original Contributions Pages: 675 - 686