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Four new cases of ring 21 and 22 including familial transmission of ring 21.
  1. C G Palmer,
  2. M E Hodes,
  3. T Reed,
  4. J Kojetin


    Four new cases of ring G chromosomes are presented including one family in which the ring 21 is present in a mother and in her daughter, who has 47, XXX, r(21) chromosomes. The clinical and dermatoglyphic findings in r21 and r22 syndromes are reviewed.

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