From the Food and Drug Administration.
Nightingale
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D003132:Commerce / Q000331:legislation & jurisprudence / Q000592:standards; D030881:Disclosure; D004345:Drug Industry / Q000191:economics / Q000592:standards*; D035082:Federal Government; D005378:Financial Support; D033161:Government Regulation; D006801:Humans; D015474:Isotretinoin / Q000009:adverse effects*; D007641:Keratolytic Agents / Q000009:adverse effects*; D019460:Tobacco Industry / Q000331:legislation & jurisprudence*; D014342:Truth Disclosure; D014481:United States; D014486:United States Food and Drug Administration
D007641:Keratolytic Agents; D015474:Isotretinoin