Frequency of the fragile X syndrome in J
β
T. Arinami; I. Kondo; S. Nakajima
π
Article
π
1986
π
Springer
π
English
β 434 KB
Among 243 institutionalized mentally retarded males in Japan, 13 patients (5.3%) with the fra(X)(q27) from nine families were detected. These 13 patients accounted for 8.6% of 152 male inmates with unknown causes of mental retardation in the population. One out of nine pedigrees had an apparently un