Modeling the Impact of Anticancer Agents on Metastatic Spreading S. Benzekry, N. André, A. Benabdallah, J. Ciccolini, C. Faivre, F. Hubert and D. Barbolosi Math. Model. Nat. Phenom., 7 1 (2012) 306-336 Published online: 25 January 2012 DOI: 10.1051/mmnp/20127114