1. Peter Holtz zum Gedächtnis

   • Hans Herken

   Announcement Pages: 1 - 6

2. The prothrombin-activating principle from Echis carinatus venom

   • A. Schieck
   • E. Habermann
   • F. Kornalik

   OriginalPaper Pages: 7 - 17

3. Alpha sympathomimetic inhibition of adrenergic and cholinergic transmission in the rabbit heart

   • K. Starke

   OriginalPaper Pages: 18 - 45

4. The hydragogue and laxative effect of the sulfuric acid ester and the free diphenol of 4,4′-dihydroxydiphenyl-(pyridyl-2)-methane

   • W. Forth
   • G. Nell
   • H. Andres

   OriginalPaper Pages: 46 - 53

5. Influence of cyclic guanosine-3′,5′-monophosphate on the enzymatic hydrolysis of adenosine-3′,5′-monophosphate

   • U. Klotz
   • K. Stock

   OriginalPaper Pages: 54 - 62

6. Comparative study on the inhibition of Na⁺, K⁺-activated ATPase activity by chlorpromazine, promazine, imipramine, and their monodesmethyl metabolites

   • H. Hackenberg
   • J. Krieglstein

   OriginalPaper Pages: 63 - 73

7. Specific activity and sensitivity to strophanthin of the Na⁺ + K⁺-activated ATPase in rats and guinea-pigs with hypoadrenalism

   • E. Borsch-Galetke
   • H. Dransfeld
   • K. Greeff

   OriginalPaper Pages: 74 - 80

8. Changes in Na⁺ and K⁺ permeability of red cells induced by the direct lytic factor of cobra venom and phospholipase A

   • C. Jacobi
   • P. -G. Lankisch
   • W. Vogt

   OriginalPaper Pages: 81 - 90

9. Concentration and origin of choline in the rat brain

   • K. Dross
   • H. Kewitz

   OriginalPaper Pages: 91 - 106

10. Excitation-contraction uncoupling in skeletal muscle by dantrolene sodium

    • K. O. Ellis
    • S. H. Bryant

    Short Communication Pages: 107 - 109

11. Phalloidin poisoning of the isolated rat liver at 40°C

    • Werner Jahn

    Short Communication Pages: 110 - 112