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title 21
Food and Drugs
chapter I
CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
part 4
PART 4—REGULATION OF COMBINATION PRODUCTS
Part 4. PART 4—REGULATION OF COMBINATION PRODUCTS
SUBPART A [§ 4.1 - § 4.4] - Subpart A—Current Good Manufacturing Practice Requirements for Combination Products
SUBPART B [§ 4.100 - § 4.105] - Subpart B—Postmarketing Safety Reporting for Combination Products