@article{article545,
  title = {PRIMARY OSTEOSARCOMA OF THE SPHENOID BONE WITH MULTIPLE RECURRENCES: A CASE REPORT},
  author = {ZEYNEP ÖZSARAN,  and YAVUZ ANACAK,  and MUSTAFA ESASSOLAK,  and ERDAM GÖKER,  and FİKRİ ÖZTOP,  and DENİZ YALMAN,  and AYFER HAYDAROĞLU, },
  journal = {Turk J Oncol},
  year = {2001},
  volume = {16},
  pages = {147-149},
  doi = {}
}