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Circulation [Circulation] 1992 Oct; Vol. 86 (4), pp. 1147-55.Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0147763 Publication Model: Print Cited Medium: Print ISSN:
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Journal of the American College of Cardiology [J Am Coll Cardiol] 1992 Apr; Vol. 19 (5), pp. 974-81.Publisher: Elsevier Biomedical Country of Publication: United States NLM ID: 8301365 Publication Model: Print Cited Medium: Print ISSN: 0735-1097