1. Uber das Glioblastoma Multiforme;Bettag, W.;Fortschr. Neurol. Psychiat,1959
2. A study of 211 patients with verified glioblastoma multiforme;Davis, L.; Martin, J.; Goldstein, S.L.; Askenazy, M.;J. Neurosurg,1949
3. Glioblastoma multiformereview of 219 cases with regard to natural history, pathology, diagnostic methods, and treatment;Frankel, S.A.; German, W.J.;Ibid,1958
4. The relatively benign astrocytomas of the cerebrum. A clinical study of;Gol, A.;Ibid; verified cases,1961
5. A simplified classification of the gliomas;Kernohan, J.W.; Mabon, R.F.; Svien, H.J.; Adson, A.W.;Proc. Mayo Clin,1949