FDA begins to act against black box excimer lasers.
Kohl
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D018795:Device Approval / Q000331:legislation & jurisprudence*; D006801:Humans; D054018:Lasers, Excimer; D018903:Photorefractive Keratectomy / Q000592:standards; D054140:Refractive Surgical Procedures; D014481:United States; D014486:United States Food and Drug Administration / Q000331:legislation & jurisprudence*