FDA claims nicotine levels were manipulated.
Gavaghan
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D000641:Ammonia / Q000737:chemistry; D004335:Drug and Narcotic Control; D009538:Nicotine; D010947:Plants, Toxic; D014026:Nicotiana / Q000737:chemistry*; D014029:Tobacco Use Disorder; D014481:United States; D014486:United States Food and Drug Administration
D009538:Nicotine; D000641:Ammonia