title: Epithelial nature of spindle-cell thymoma. An ultrastructural study.
mesh_terms: D000368:Aged; D004848:Epithelium / Q000473:pathology; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D013945:Thymoma / Q000473:pathology*; D013950:Thymus Gland / Q000473:pathology*; D013953:Thymus Neoplasms / Q000473:pathology*