Laser surgery for eye defects--of proven use or not?
Mitchell
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D004739:England; D006801:Humans; D054018:Lasers, Excimer; D009216:Myopia / Q000601:surgery; D018903:Photorefractive Keratectomy / Q000009:adverse effects / Q000191:economics / Q000706:statistics & numerical data; D014481:United States