title: [Two cases of nasopharyngeal angiofibroma with special reference to treatment with sex hormones].
mesh_terms: D000293:Adolescent; D000328:Adult; D000728:Androgens / Q000627:therapeutic use*; D004967:Estrogens / Q000627:therapeutic use*; D018219:Histiocytoma, Benign Fibrous; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000188:drug therapy* / Q000601:surgery
chemical_list: D000728:Androgens; D004967:Estrogens