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Genetic variants of complement component 3 (C3) in DR4 positive and DR4 negative rheumatoid arthritis.
  1. W Thomson,
  2. P A Dyer,
  3. P A Sanders,
  4. D M Grennan


    C3 allotypes were defined in 86 Caucasoid patients with rheumatoid arthritis living in the north west of England and in 80 local, healthy controls. C3 allotype and phenotype frequencies were similar in RA (whether DR4 positive or negative) and control groups.

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