Furchgott, R.F. : The pharmacology of vascular smooth muscle . Pharmacol. Rev., 7 : 183, 1955.
2.
Balzfr, H., AND Holtz P.: Beeinflussing der Wirkung biogener Amine durch Hemmung der Aminoxydase. Arch. exper. Path. u. Pharmakol., 227 : 547, 1957.
3.
Borowitz, J.L. , AND North, W.C.: Potentiation of epinephrine and norepinephrine by iproniazid. Science, 130: 710, 1959.
4.
Cattell, M., AND Gold, H.: Influence of digitalis on the force of contraction of mammalian cardiac muscle . J. Pharmacol. & Exper. Therap., 62: 116, 1938.
5.
Lee, W.C., AND Shideman, F.E.: Inotropic action of hexamethonium. Circulation Res., 6: 66, 1958.
6.
Mccarty, L.P. , Lee, W.C., AND Shideman , F.E.: Evaluation of inotropic effects of drugs on the embryonic heart by means of a new technic. The Pharmacologist, 1: 63, 1959.
7.
McCarty, L.P. , Lee, W.C., AND Shideman -F.E.: Measurement of the inotropic effects of drugs on the innervated and non innervated embryonic chick heart. J. Pharmacol. & Exper. Therap., in press.
8.
Lee, W.C., AND Shideman, F.E.: Mechanism of the positive inotropic response to certain ganglionic stimulants . J. Pharmacol. & Exper. Therap., 126: 239, 1959.
9.
Powell, C.E. , AND Slater, I.H.: Blocking of inhibitory adrenergic receptors by a dichloro analog of isoproterenol. J. Pharmacol. & Exper. Therap., 122: 480, 1958.
10.
Exley, K.A. : The blocking action of choline 2: 6-xylyl ether bromide on adrenergic nerves. Brit. J. Pharmacol., 12: 297, 1957.
11.
LEE, W. C., MCCARTY, L. P., AND SHIDEMAN, F. E.: Unpublished data.
