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title 21
Food and Drugs
chapter I
CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
part 50
PART 50—PROTECTION OF HUMAN SUBJECTS
subpart A
Subpart A—General Provisions
Subpart A. Subpart A—General Provisions
§ 50.1 - Scope.
§ 50.3 - Definitions.
