title: Contrast nasopharyngography of angiofibromata.
mesh_terms: D000293:Adolescent; D003287:Contrast Media; D018219:Histiocytoma, Benign Fibrous / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography
chemical_list: D003287:Contrast Media