Terpos E, Anargyrou K, Katodritou E, Kastritis E, Papatheodorou A, Christoulas D, Pouli A, Michalis E, Delimpasi S, Gkotzamanidou M, et al. Circulating angiopoietin-1 to angiopoietin-2 ratio is an independent prognostic factor for survival in newly diagnosed patients with multiple myeloma who received therapy with novel antimyeloma agents. International Journal of Cancer [Internet]. 2012;130(3):735 - 742.