Am. J. Med. Genet.[JO] AND 1983[DP] AND 15[VI] AND 39[PG]
Birth Defects Orig Artic Ser.[JO] AND 1974[DP] AND 10[VI] 138[PG]
Am. J. Med. Genet.[JO] AND 1993[DP] AND 46[VI] AND 501[PG]