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"When May Research Be Stopped?" The New England Journal of Medicine, 296: 1203-1210 May 26, 1977

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RESTRICTIONS:

The collection is open to research.

USE & PERMISSIONS:

Professor Cohen has transferred any applicable copyright to the Regents of the University of Michigan but the collection may contain third-party materials for which copyright was not transferred. Patrons are responsible for determining the appropriate use or reuse of materials.