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Letter from Vernon M. Smith, MD, FACP, professor of clinical medicine, Department of Medicine,

Baltimore, Maryland, to Leonidas H. Berry expressing his appreciation for Berry's contribution as member of the faculty of the recent postgraduate course in gastrointestinal endoscopy; and inviting Berry to submit his lecture write up for a book project on gastrointestinal endoscopy sponsored by the Board of the Society for Gastrointestinal Endoscopy

Courtesy National Library of Medicine