%0 Journal Article %T Clinical Usefulness of Cancer Markers in Primary Breast Cancer %A A. Verring %A A. Clouth %A P. Ziolkowski %A G. M. Oremek %J ISRN Pathology %D 2011 %I Hindawi Publishing Corporation %R 10.5402/2011/817618 %U http://dx.doi.org/10.5402/2011/817618