title: [Study on ultrastructural features of osteogenic sarcoma].
mesh_terms: D001859:Bone Neoplasms / Q000473:pathology / Q000648:ultrastructure*; D006801:Humans; D002479:Inclusion Bodies / Q000648:ultrastructure; D012516:Osteosarcoma / Q000473:pathology / Q000648:ultrastructure*