PT - JOURNAL ARTICLE AU - S M Singh AU - B Murphy AU - R O’Reilly TI - Monozygotic twins with chromosome 22q11 deletion and discordant phenotypes: updates with an epigenetic hypothesis AID - 10.1136/jmg.39.11.e71 DP - 2002 Nov 01 TA - Journal of Medical Genetics PG - e71--e71 VI - 39 IP - 11 4099 - http://jmg.bmj.com/content/39/11/e71.short 4100 - http://jmg.bmj.com/content/39/11/e71.full SO - J Med Genet2002 Nov 01; 39