ABC Evening News for Thursday, Sep 24, 1987
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(Studio: Peter Jennings) Report introduced.
(Boston, Massachusetts: Dr. Tim Johnson) Results of study appearing in "Journal of American Med. Association" noted suggesting that large portion of heart bypass operations performed in United States are unnecessary; details given, scenes shown. [Anthony LOMBARDO - praises drug therapy's results.] [Dr. Thomas GRABOYS - ests. percentage who could avoid surgery if given opportunity.] [Dr. Lawrence COHN - cites limitations of study's test group.] [GRABOYS - notes advantage of deferring operation when possible.]
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