All women were recruited from bHotel/b Dieu Hospital in Montreal and were seen in the breast clinic between October 2003 and May 2007. Women were selected for this study on the basis of (a) a diagnosis of first primary breast cancer under the age of 50 or (b) a b...../b Erkko H, Xia B, Nikkila J, Schleutker J, bSyrjakoski/b K, Mannermaa A, Kallioniemi A, Pylkas K, Karppinen SM, Rapakko K, et al.: A recurrent mutation in PALB2 in Finnish cancer families. Nature 2007, 7133:316-319. ...