OUTCOME OF TREATMENT DISCONTINUATION IN PATIENTS WITH METASTATIC RENAL CELL CARCINOMA AND NO EVIDENCE OF DISEASE FOLLOWING TARGETED THERAPY WITH OR WITHOUT METASTASECTOMY СтатьяJohannsen M., Miller K., Weikert S., Staehler M., Ohlmann C.H., Flörcken A., Schmittel A., Otto T., Bex A., Hein P., Grünwald V.Annals of Oncology. Том 22. 2011. С. 657-663