PT - JOURNAL ARTICLE AU - B Grisart AU - L Willatt AU - A Destrée AU - J-P Fryns AU - K Rack AU - T de Ravel AU - J Rosenfeld AU - J R Vermeesch AU - C Verellen-Dumoulin AU - R Sandford TI - 17q21.31 microduplication patients are characterised by behavioural problems and poor social interaction AID - 10.1136/jmg.2008.065367 DP - 2009 Aug 01 TA - Journal of Medical Genetics PG - 524--530 VI - 46 IP - 8 4099 - http://jmg.bmj.com/content/46/8/524.short 4100 - http://jmg.bmj.com/content/46/8/524.full SO - J Med Genet2009 Aug 01; 46 AB - Markup server — Error Error There was a problem handling your request. Please try again in a few minutes, or contact us if you continue to experience this problem.