1. The mammalian sinoatrial node

   • Tobias Opthof

   Focus On Arrhythmias Pages: 573 - 597

2. Clinical electrophysiologic effects of flecainide acetate

   • Davendra Mehta
   • A. John Camm
   • David E. Ward

   Focus On Arrhythmias Pages: 599 - 603

3. Effect of propranolol on ventricular repolarization and refractoriness: Role of beta-blockade versus direct membrane effects

   • David E. Euler
   • Patrick J. Scanlon

   Focus On Arrhythmias Pages: 605 - 612

4. Calcium antagonists—Future uses

   • Rolf Krebs

   Editorial Comment Pages: 613 - 616

5. Calcium antagonists: Whither now?

   • W. G. Nayler

   Editorial Comment Pages: 617 - 619

6. Intracellular calcium in heart failure

   • James P. Morgan

   Editorial Comment Pages: 621 - 624

7. Calcium channel antagonists part III: Use and comparative efficacy in hypertension and supraventricular arrhythmias. Minor indications

   • Lionel H. Opie

   Review Pages: 625 - 656

8. Addition of chlorthalidone to slow-release nifedipine in the treatment of arterial hypertension: A controlled study versus placebo

   • Liberato Aldo Ferrara
   • Teodoro Marotta
   • Mario Mancini

   Clinical Studies Pages: 657 - 660

9. Efficacy of the calcium antagonist isradipine in angina pectoris

   • John O. Parker
   • Marc Enjalbert
   • Victoria Bernstein

   Clinical Studies Pages: 661 - 664

10. Pharmacologic treatment of hypertrophic cardiomyopathy: Beta-blockade or calcium blockade or what?

    • J. F. Goodwin

    Editorial Comment Pages: 665 - 668

11. Cytolytic hepatitis with captopril but not with enalapril

    • F. Zannad
    • P. Y. Marie
    • J. M. Gilgenkrantz

    Letter To The Editor Pages: 669 - 670

12. Bimodal presentation of the clinical syndromes of coronary atherosclerosis: A review

    • Patrick J. Commerford

    Ischemic Heart Disease Pages: 671 - 676

13. Internal pH, Na⁺, and Ca²⁺ regulation by trimetazidine during cardiac cell acidosis

    • J. F. Renaud

    Ischemic Heart Disease Pages: 677 - 686

14. Influence of minoxidil on myocardial hemodynamics, regional blood flow, and morphology in beagle dogs

    • G. Kimble Jett
    • Eugene H. Herman
    • Richard E. Clark

    Experimental Pharmacology Pages: 687 - 694

15. Book review

    • Lionel H. Opie

    BookReview Pages: 695 - 695

16. Announcement

    Announcement Pages: 696 - 696