From the Food and Drug Administration.
Office of Health Affairs, FDA, Rockville, MD 20857.
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Nightingale
D000329:Advertising / Q000592:standards*; D007172:Erectile Dysfunction / Q000628:therapy; D006310:Hearing Aids; D006801:Humans; D008297:Male; D010413:Penis; D019736:Prostheses and Implants / Q000592:standards*; D014481:United States; D014486:United States Food and Drug Administration