1. Regulation of histidine decarboxylase activity in rat hypothalamusin vitro by ATP and cyclic AMP: Enzyme inactivation under phosphorylating conditions

   • Zsuzsanna Huszti
   • Kálmán Magyar

   Histamine in the Central Nervous System Pages: 546 - 549

2. Interference of clonidine and α-methyl-p-tyrosine with stress and central histaminergic stimulation of the corticosterone response in rats

   • Jan Bugajski
   • Anna Gądek

   Histamine in the Central Nervous System Pages: 550 - 553

3. Age-related changes in brain histamine

   • I. M. Mazurkiewicz-Kwilecki
   • G. D. Prell

   Histamine in the Central Nervous System Pages: 554 - 557

4. Plasma vasopressin levels after I.C.V. infusion of histamine agonists in the conscious goat

   • Leena Tuomisto
   • Lea Eriksson
   • Frej Fyhrquist

   Histamine in the Central Nervous System Pages: 558 - 560

5. The effect of group selective reagentsN-ethylmaleimide and dithiothreitol on histamine H₁-receptor binding sites in the vascular smooth muscle membranes

   • Marija Čarman-Kržan

   Histamine Receptors Pages: 561 - 565

6. H₂-Antihistaminics. 20. Structure-activity relationships in H₂-receptor antagonists containing a 4-pyrimidone moiety

   • J. -P. Spengler
   • K. Wegner
   • W. Schunack

   Histamine Receptors Pages: 566 - 568