title: Carcinoma of nasopharynx in twins.
mesh_terms: D000328:Adult; D002294:Carcinoma, Squamous Cell / Q000235:genetics* / Q000473:pathology / Q000532:radiotherapy; D003036:Cobalt Isotopes; D004200:Diseases in Twins / Q000473:pathology / Q000532:radiotherapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000235:genetics* / Q000473:pathology / Q000532:radiotherapy; D011867:Radioisotope Teletherapy; D012075:Remission, Spontaneous; D044465:White People
chemical_list: D003036:Cobalt Isotopes