title: Identic viral infections in four cases of malignant lymphoepithelioma.
mesh_terms: D002213:Capsid; D002294:Carcinoma, Squamous Cell / Q000150:complications* / Q000648:ultrastructure; D003332:Coronaviridae / Q000648:ultrastructure; D003333:Coronaviridae Infections / Q000209:etiology*; D003593:Cytoplasm; D004721:Endoplasmic Reticulum; D006801:Humans