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2. Natural history of coronary artery disease;Oberman;Bull. N. Y. Acad. Med.,1972
3. Natural history of angiographically documented coronary artery disease;Slagle;Circulation,1972
4. Results of medical management of angina pectoris in candidates for saphenous vein bypass graft;Basta,1971
5. Natural history of severe proximal coronary disease as defined by cineangiography (200 patients, 7 year follow-up);Moberg;Am. J. Cardiol.,1972