@article{article61295706,
title   = {Chordomas of the skull base: follow-up review and prognostic factors},
author = {Colli, Benedicto Oscar and Al-Mefty, Ossama},
year = {2001},
doi = {10.3171/foc.2001.10.3.2},
journal   = {Neurosurgical Focus}
}