title: Oat cell carcinoma of the trachea: a case report with electron microscopy.
mesh_terms: D018288:Carcinoma, Small Cell / Q000648:ultrastructure*; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D014134:Tracheal Neoplasms / Q000648:ultrastructure*