Disseminated tumor cells from the bone marrow of patients with metastatic breast cancer - Hartkopf, A; Stefanescu, D; Wallwiener, M; Hahn, M; Solomayer, EF; Becker, S; Fehm, T; Brucker, S; Taran, FA (Geburtshilfe und Frauenheilkunde, 2014)