Many studies were excluded because of flaws , and some '' authors wanted to show that one technique is better than the other , '' making the findings biased , said the leader author of the team , Dr. Frank W. Sellke , chief of cardiothoracic surgery at the Beth Israel Deaconess Medical Center in Boston .
Boston /location/location/contains Beth Israel Deaconess Medical Center
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Boston
LOCATION
Beth Israel Deaconess Medical Center
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