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Letter from David J. Sandweiss, MD, chairman,

American Gastroenterological Association National Committee on Peptic Ulcer, to "Director," Provident Hospital, Chicago, stating that the American Gastroenterological Association has formed a National Committee on Peptic Ulcer and would appreciate receiving names and addresses of staff engaged in clinical or experimental research on peptic ulcer

Courtesy National Library of Medicine

Page with typewritten text.