TY - JOUR T1 - Paternal age effect in fibrodysplasia ossificans progressiva. JF - Journal of Medical Genetics JO - J Med Genet SP - 147 LP - 148 DO - 10.1136/jmg.16.2.147 VL - 16 IS - 2 AU - J G Rogers AU - G A Chase Y1 - 1979/04/01 UR - http://jmg.bmj.com/content/16/2/147.abstract N2 - 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. ER -