Incidence and Significance of Intraoperative CSF Leak in Endoscopic Pituitary Surgery Using Intrathecal Fluorescein - Jakimovski, D.; Bonci, G.; Attia, M.; Shao, H.; Hofstetter, C.; Tsiouris, A. J.; Anand, V. K.; Schwartz, T. H. (Journal of neurological surgery. Part B, Skull base, 2012)