Palumbo A, Hajek R, Delforge M, Kropff M, Petrucci MT, Catalano J, Gisslinger H, Wiktor-J?drzejczak W, Zodelava M, Weisel K, et al. Continuous lenalidomide treatment for newly diagnosed multiple myeloma. New England Journal of Medicine [Internet]. 2012;366(19):1759 - 1769.