title: [Immunohistochemical and ultrastructural analysis of Ewing's tumor].
mesh_terms: D002471:Cell Transformation, Neoplastic; D006801:Humans; D007124:Immunoenzyme Techniques; D012512:Sarcoma, Ewing / Q000648:ultrastructure*
vernacular_title: Análisis inmunohistoquímico y ultraestruct del tumor de Ewing.