title: Electron microscopic studies on the human non-epithelial malignant tumors.
mesh_terms: D008949:Adenoma, Pleomorphic / Q000209:etiology*; D006801:Humans; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D009369:Neoplasms / Q000473:pathology*; D009858:Oncogenic Viruses; D013584:Sarcoma, Synovial / Q000209:etiology*