Elon Ronberg MS

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A study was undertaken of Medicare claims coded for cholecystectomy and those coded for laparoscopic cholecystectomy for the four year period 1990–1993 in New York State. During this time period there was a 28.12% increase in total cholecystectomies performed and an increase in the proportion of laparoscopic cholecystectomies from 15.86% to 50.0%. The(More)
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