1. Arseni, C., Horvath, L., Maretsis, M., Carpi, N., Giant cell tumours of the calvaria. J. Neurosurg.42 (1975), 535?540.
2. Bitoh, S., Takimoto, N., Nakagawa, H., Namba, J., Sakari, S., Gohma, T., Giant cell tumor of the skull. Surg. Neurol.9 (1978), 185?188.
3. Cohen, D., Dahlin, D., MacCarty, C., Vertebral giant cell tumour and variants. Cancer17 (1964), 461?472.
4. Cooper, A. P., Travers, B., Surgical Essays. Vol. 1, London: Cox & Son and Longman & Co. 1818. Cited by Hutteret al. 12.
5. Dahlin, D., Cupps, R., Johnson, E. W., Giant-cell tumor: a study of 195 cases. Cancer25 (1970), 1061?1070.