E. M. Sizoo, L. Braam, T. J. Postma, H. R. W. Pasman, J. J. Heimans, M. Klein, J. C. Reijneveld, M. J. B. Taphoorn,
Symptoms and problems in the end-of-life phase of high-grade glioma patients Neuro-oncology. ,vol. 12, pp. 1162- 1166 ,(2010) ,
10.1093/NEUONC/NOP045