Analysis comes to dietary supplements.
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D018663:Adrenergic Agents / Q000032:analysis; D000697:Central Nervous System Stimulants / Q000032:analysis; D019587:Dietary Supplements / Q000592:standards*; D004809:Ephedrine / Q000032:analysis; D006801:Humans; D009316:National Institutes of Health (U.S.); D011786:Quality Control; D014481:United States; D014486:United States Food and Drug Administration
D018663:Adrenergic Agents; D000697:Central Nervous System Stimulants; D004809:Ephedrine