title: Small round cell tumors of bone and soft tissue. Introduction.
authors.forename: A
authors.initials: A
authors.lastname: Llombart-Bosch
mesh_terms: D001859:Bone Neoplasms / Q000276:immunology* / Q000473:pathology* / Q000648:ultrastructure; D006801:Humans; D018228:Sarcoma, Small Cell / Q000276:immunology* / Q000473:pathology* / Q000648:ultrastructure; D012983:Soft Tissue Neoplasms / Q000276:immunology* / Q000473:pathology* / Q000648:ultrastructure