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HOW CORONARY ANGIOGRAPHY IS USED - CLINICAL DETERMINANTS OF APPROPRIATENESS
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JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1987, 258 (18)
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DOES INAPPROPRIATE USE EXPLAIN GEOGRAPHIC VARIATIONS IN THE USE OF HEALTH-CARE SERVICES - A STUDY OF 3 PROCEDURES
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JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
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OBTAINING CLINICAL-DATA ON THE APPROPRIATENESS OF MEDICAL-CARE IN COMMUNITY PRACTICE
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JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
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