Levent, O., Gürol, G., Levent, A. and Ozlem, S. 2004. A suprasellar arachnoid cyst destructing sphenoid sinus: An unusual cause of headache in an elderly female. Swiss Medical Weekly. 134, 0102 (Jan. 2004), 28–29. DOI:https://doi.org/10.4414/smw.2004.10456.