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Copper metabolism in American retinitis pigmentosa patients.
  1. M F Marmor,
  2. J W Nelson and
  3. A S Levin


    Serum copper, serum caeruloplasmin, and urinary copper excretion were measured in 38 American patients (and 15 family members) with recessive, dominant, and X-linked forms of retinitis pigmentosa. No abnormalities were found, in contrast to the findings of a recent study on Indian patients. Our data argue against a role for copper metabolism in ordinary retinitis pigmentosa.

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