1. In memoriam Wilhelm Lochner

   • E. R. Müller-Ruchholtz

   Nachrufe Pages: 451 - 453

2. In memoriam Jürgen Steinkopff

   • R. Jacob
   • W. Schaper

   Nachrufe Pages: 454 - 455

3. On the range of α-adrenergic regulation of coronary vascular resistance

   • G. Ertl
   • J. Wichmann
   • W. Lochner

   Original Contributions Pages: 456 - 466

4. Effect of carotid pressoreceptor stimulation on integrated systemic venous bed

   • E. R. Müller-Ruchholtz
   • E. Grund
   • E. R. Lapp

   Original Contributions Pages: 467 - 476

5. Myocardial substrate utilization and hemodynamics following repeated coronary flow reduction in pigs

   • P. D. Verdouw
   • W. J. Remme
   • W. A. P. Breeman

   Original Contributions Pages: 477 - 493

6. Transmural perfusion gradients distal to various degrees of coronary artery stenosis during resting flow or at maximal vasodilation

   • D. C. Warltier
   • H. F. Hardman
   • G. J. Gross

   Original Contributions Pages: 494 - 508

7. Degree of granulation of atrial cardiocytes: Its decrease after aorto-caval fistula in the rat

   • A. Bodak
   • F. Cluzeaud
   • P. Y. Hatt

   Original Contributions Pages: 509 - 517

8. Relationship between epicardial and intramyocardial ST-segment voltage and myocardial blood flow during graded coronary constriction in the dog

   • T. Mizutani
   • M. Yokoyama
   • H. Fukuzaki

   Original Contributions Pages: 518 - 527

9. Synthesis and degradation of NAD in guinea pig cardiac muscle:

   • U. Delabar
   • M. Siess

   Original Contributions Pages: 528 - 544

10. The mechanical properties of exposed human common carotid arteries in vivo

    • R. Busse
    • R. D. Bauer
    • E. Wetterer

    Original Contributions Pages: 545 - 554

11. Influence of verapamil on cellular integrity and electrolyte concentrations of ischemic myocardial tissue in the cat

    • A. M. Lefer
    • E. W. Polansky
    • S. Narayan

    Original Contributions Pages: 555 - 567

12. Corrections

    • A. Kämmereit
    • R. Jacob

    Erratum Pages: 568 - 568

13. Berichtigung

    • U. Fermor
    • H. Huber
    • P. Spiller

    Erratum Pages: 568 - 570