Revlimid-NIS: Non-interventional study on therapy of relapsed/ refractory multiple myeloma with a combination of Lenalidomide plus Dexamethasone 7. Juni 2015 Knauf, W., Aldaoud, A., Maintz, C., Groschek, M., Teichmann, B., Harde, J., Trarbach Tanja, 2015. Oncol Res Treat 38 (suppl.5)(P783), 238. doi:10.1159/000439070 Abstract