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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 338
PART 338—NIGHTTIME SLEEP-AID DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
subpart B
Subpart B—Active Ingredients
Subpart B. Subpart B—Active Ingredients
§ 338.10 - Nighttime sleep-aid active ingredients.