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Multiple congenital defects associated with trisomy for long arm of No. 4.
  1. M Issa,
  2. A M Potter,
  3. C E Blank


    The clinical and cytogenetic findings of a male infant with multiple congenital anomalies and trisomy for the distal third of the long arm of No. 4 are described. The abnormal chromosome was inherited from the mother who had a balanced translocation, t(4;9)(q31;q34). Trisomy for the long arm of No. 4 has previously been described in only 3 patients.

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