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2. Adverse interaction between beta-adrenergic blocking drugs and verapamil. Report of 3 cases;Wayne, V.S.; Harpet, R.W.; Laufer, E.; Federman, J.; Anderson, S.T.; Pitt, A.;Aust N Z J Med,1982
3. The treatment of angina pectoris with calcium channel and beta blockers: efficacy and effect on cardiac function;Findlay, I.N.; Gillen, G.; Elliott, A.T.; Dargie, H.J.;Y Am Coll Cardiol,1984
4. Calcium antagonists and beta-blockers;McInnes, G.T.; Findlay, I.N.; Murray, G.D.; Dargie, H.J.;J R Soc Med,1983