title: Titration of hormone metabolites in cases of nasopharyngeal angiofibroma five years after the operation.
mesh_terms: D015065:17-Hydroxycorticosteroids / Q000652:urine; D015068:17-Ketosteroids / Q000652:urine; D004970:Estrone / Q000652:urine; D005500:Follow-Up Studies; D018219:Histiocytoma, Benign Fibrous / Q000188:drug therapy / Q000652:urine*; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000188:drug therapy / Q000652:urine*
chemical_list: D015065:17-Hydroxycorticosteroids; D015068:17-Ketosteroids; D004970:Estrone