1. Editor's note

   • Gerd Heusch

   EditorialNotes Pages: 1 - 1

2. Myogenic and flow-dependent control mechanisms in the coronary microcirculation

   • C. J. H. Jones
   • L. Kuo
   • W. M. Chilian

   Editorial Pages: 2 - 10

3. Sodium channel blockade enhances dispersion of the cardiac action potential duration

   • A. Müller
   • S. Dhein

   Original Contributions Pages: 11 - 22

4. Effects of adenosine on electrical activity of isolated guinea pig hearts

   • G. Stark
   • F. Sterz
   • H. A. Tritthart

   Original Contributions Pages: 23 - 32

5. Transport and release of calcium by sarcoplasmic reticulum in chemically skinned ventricular muscle of the rat

   • E. A. Aiello
   • A. O. Grassi de Gende

   Original Contributions Pages: 33 - 41

6. In vivo assessment of the inotropic and toxic effects of oxidized ouabain

   • M. Arad
   • A. Shotan
   • G. Uretzki

   Original Contributions Pages: 42 - 51

7. Catecholamine-induced cardiac necroses: Protective effect of leucocytopenia, influence of an S₂ antagonist, thromboxanesynthetase inhibitor and prostacycline analogue

   • L. Classen
   • G. Michalsky
   • H. Kammermeier

   Original Contributions Pages: 52 - 59

8. The hemodynamic effect of dietary calcium supplementation on rat renovascular hypertension

   • R. G. Benedetti
   • K. J. Wise
   • L. K. Massey

   Original Contributions Pages: 60 - 71

9. Myocardial contractility and ventricular myosin isoenzymes as influenced by cardiac hypertrophy and its regression

   • A. Tanamura
   • N. Takeda
   • M. Nagano

   Original Contributions Pages: 72 - 79

10. Calculated mean arterial blood pressure in critically ill neonates

    • M. Gevers
    • W. W. M. Hack
    • N. Westerhof

    Original Contributions Pages: 80 - 85

11. Geometric and muscle physiological factors of the frank-starling mechanism

    • R. Jacob
    • B. Dierberger
    • G. Kissling

    Original Contributions Pages: 86 - 91