Gerg, M.;Kopitz, C.;Schaten, S.;Tschukes, A.;Kahlert, C.;Stangl, M.;Hann von Weyhern, C. W.;Brucher, B. L.D.M.;Edwards, D. R.;Brand, K.;Kruger, A. Distinct Functionality of Tumor Cell-Derived Gelatinases during Formation of Liver Metastases Molecular Cancer Research 2008 6 3 341-351