1. Are isolated cardiomyocytes a suitable experimental model in all lines of investigation in basic cardiology?

   • H. Kammermeier
   • H. Rose

   Editorial Pages: 343 - 349

2. Increased calcium sensitivity of chemically skinned human atria by myosin light chain kinase

   • I. Morano
   • C. Bächle-Stolz
   • J. C. Rüegg

   Original Contributions Pages: 350 - 359

3. Effects of acute iron loading on contractility and spontaneous beating rate of cultured rat myocardial cells

   • J. Moreb
   • C. Hershko
   • Y. Hasin

   Original Contributions Pages: 360 - 368

4. Characteristics of the phenylalkylamine binding site in canine cardiac sarcolemmal membranes

   • L. Dumont
   • J. S. Williams
   • A. Schwartz

   Original Contributions Pages: 369 - 375

5. Opioids stimulate sarcolemmal NAD(P)H-vanadate dehydrogenase activity

   • C. Ventura
   • C. Guarnieri
   • C. M. Caldarera

   Original Contributions Pages: 376 - 383

6. Cardiac mRNA levels during the development and growth of the rat

   • P. M. Garber
   • V. A. Mezl

   Original Contributions Pages: 384 - 391

7. Chemiluminescence measurements of xanthine oxidase and xanthine dehydrogenase activity in four types of cardiovascular cell

   • I. A. Bailey
   • C. P. Blackwell
   • B. Woodward

   Original Contributions Pages: 392 - 400

8. Ultrastructure of electrophysiologically identified human sinoatrial nodes

   • J. E. Lowe
   • T. Hartwich
   • J. Schaper

   Original Contributions Pages: 401 - 409

9. Effect of sarcomere length and filament lattice spacing on force development in skinned cardiac and skeletal muscle preparations from the rabbit

   • E. L. de Beer
   • R. L. F. Grundeman
   • P. Schiereck

   Original Contributions Pages: 410 - 423

10. Contribution of each ventricular wall to ventricular interdependence

    • W. P. Santamore
    • M. Constantinescu
    • L. Papa

    Original Contributions Pages: 424 - 430

11. Acetate-induced changes in cardiac energy metabolism and hemodynamics in the rat

    • K. T. Kiviluoma
    • M. Karhunen
    • I. E. Hassinen

    Original Contributions Pages: 431 - 444

12. 2-mercaptopropionylglycine improves aortic flow after reoxygenation in working rat hearts

    • G. Zimmer
    • J. Evers

    Original Contributions Pages: 445 - 451

13. The coordination of heart beat and respiration during ergometric stress in patients with functional cardiovascular diseases

    • M. Weckenmann
    • G. Adam
    • A. Schulenberg

    Original Contributions Pages: 452 - 458

14. Positive inotropic and chronotopic effects of the calcium ionophore A23187 (calimycin) on guinea-pig atria

    • H. M. Himmel
    • M. Siess

    Erratum Pages: 459 - 459