Sequential systemic treatments of patients with metastatic renal cell carcinoma in German oncology and onco-urology outpatient centers. Data from the clinical RCC Registry. 2. Juni 2012 Müller, L., Goebell, P., Harich, H., Vogt, M., Marschner, N., 2012. Onkologie 35 (suppl 6)(V684), 203. doi:10.1159/000178474 Abstract