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Letter from Leonidas H. Berry to M. H. Mills, University of Leicester, England
about the utility of x-ray and endoscopy, their relative value and costs, and that most of the controlled studies between x-ray and endoscopy are retrospective
Courtesy National Library of Medicine
Topic:
Dr. Berry's Career, Medicine, MentoringCreator:
Leonidas H. BerryDate:
April 2, 1976
