A CONGRESS SECOND CONGRESS OF THE HUNGARIAN 530,405 PHARMACOLOGICAL SOCIETY ‘vol.6. Symposium on pharmacology of the heart, /The papers presented at the Symposium held in the frame of the Second Congress of the Hungarian Riaimacological Society in October, 1974./ General ed. J. Knoll, Ed. by L.Szekeres and J,Gy, Papp,