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3. Philadelphia: Lea & Febiger,1978
4. Adrenergic beta-blockade and electrocardiographical ST-T-changes;Furberg, C.;Acta Med Scand,1967
5. Electrocardiographic changes resembling myocardial ischaemia in asymptomatic men with normal coronary arteriograms;Taggart, P.; Carruthers, M.; Joseph, S.;Br Heart J,1979