title: Intranuclear dense granules in tumour cells of nasopharyngeal angiofibroma. Ultrastructure and submicroscopic cytochemistry.
mesh_terms: D000293:Adolescent; D002467:Cell Nucleus / Q000648:ultrastructure; D004273:DNA, Neoplasm / Q000032:analysis; D005347:Fibroblasts / Q000648:ultrastructure; D018219:Histiocytoma, Benign Fibrous / Q000032:analysis / Q000648:ultrastructure*; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000032:analysis / Q000648:ultrastructure*
chemical_list: D004273:DNA, Neoplasm