... breast cancer in experimental mammals exist in high concentrations in occupational set-tings.11 In spite of the continuing increase in the incidence of cancer in Canada and the existence of carcinogens ... BROPHY, a, b,cMARGARET M. KEITH, a, b,cKEVIN M. GOREY,cISAAC LUGINAAH,dETHAN LAUKKANEN,eDEBORAH HELLYER, a ABRAHAM REINHARTZ, a ANDREW WATTERSON,bHAKAMABU-ZAHRA,fELEANOR MATICKA-TYNDALE,cKENNETHSCHNEIDER,fMATTHIAS ... of breast cancer, particularly with respect to having two or morerelatives with breast cancer and mutation of the BRCA1 and BRCA2 gene, canexplain less than 10% of breast cancer cases.1Factors...