RT Journal Article SR Electronic T1 Neuronal migration defect in a BRCA1 gene carrier: possible focal nullisomy? JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP e24 OP e24 DO 10.1136/jmg.40.3.e24 VO 40 IS 3 A1 D M Eccles A1 S Barker A1 D T Pilz A1 C Kennedy YR 2003 UL http://jmg.bmj.com/content/40/3/e24.abstract AB