PT - JOURNAL ARTICLE AU - Leck, I TI - Congenital malformations and childhood neoplasms. AID - 10.1136/jmg.14.5.321 DP - 1977 Oct 01 TA - Journal of Medical Genetics PG - 321--326 VI - 14 IP - 5 4099 - http://jmg.bmj.com/content/14/5/321.short 4100 - http://jmg.bmj.com/content/14/5/321.full SO - J Med Genet1977 Oct 01; 14