Letter: Ultraviolet light and human cataract.
D002386:Cataract / Q000209:etiology*; D005609:Free Radicals; D006801:Humans; D011830:Radiation Effects; D014364:Tryptophan / Q000528:radiation effects; D014466:Ultraviolet Rays / Q000009:adverse effects*
D005609:Free Radicals; D014364:Tryptophan