%0 Journal Article %T Impact of BRCA1 mutation on survival after early onset breast cancer %A Huzarski T %A Byrski T %A Gronwald J %A GĻŪrski B %J Hereditary Cancer in Clinical Practice %D 2012 %I BioMed Central %R 10.1186/1897-4287-10-s4-a19 %U http://www.hccpjournal.com/content/10/S4/A19