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2. Inotropic and chronotropic effects of dibutyryl cyclic AMP;Drummond,1972
3. Influence of acetylcholine on contractile force and cyclic nucleotide levels in the isolated perfused rat heart;George;J. Pharmacol. Exptl. Therap.,1973
4. Biphasic action of acetylcholine on ventricular myocardium;Hollenberg;Circulation Res.,1965
5. Autonomic control of cardiac cAMP;LaRaia;Circulation Res.,1971