RT Journal Article SR Electronic T1 Phenocopies in breast cancer 1 (BRCA1) families: implications for genetic counselling JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP e76 OP e76 DO 10.1136/jmg.2006.048462 VO 44 IS 4 A1 Gronwald, Jacek A1 Cybulski, Cezary A1 Lubinski, Jan A1 Narod, Steven A YR 2007 UL http://jmg.bmj.com/content/44/4/e76.abstract AB