title: [Conttribution to the knowledge of notochord neoplasms].
mesh_terms: D001859:Bone Neoplasms; D002817:Chordoma; D006801:Humans; D009369:Neoplasms; D009672:Notochord; D012886:Skull; D012888:Skull Neoplasms; D013120:Spinal Cord Neoplasms; D013131:Spine
keywords: CHORDOMA; SKULL/neoplasms; SPINE/neoplasms