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Paternal age effect in fibrodysplasia ossificans progressiva.
  1. J G Rogers,
  2. G A Chase


    Analysis by the method of Smith (1972) of birth order and parental age data collected from 38 of 42 patients with fibrodysplasia ossificans progressive shows a significant paternal age effect. This finding among the sporadically occurring cases would support the proposition that this condition usually arises as a new dominant mutation.

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