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title 21
Food and Drugs
chapter I-i4
CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED)
part 331
PART 331—ANTACID PRODUCTS FOR OVER-THE-COUNTER (OTC) HUMAN USE
subpart B
Subpart B—Active Ingredients
Subpart B. Subpart B—Active Ingredients
§ 331.10 - Antacid active ingredients.
§ 331.11 - Listing of specific active ingredients.
§ 331.15 - Combination with nonantacid active ingredients.