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Trisomy 21 mosaicism in two successive generations in a family.
  1. J C Parke, Jr,
  2. F S Grass,
  3. R Pixley,
  4. J Deal


    The occurrence of 46,XX/47,XX,+21 mosaicism in two successive generations implies an aetiological relationship between the 47,XX,+21 cell line of the mother and her daughter.

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