Risk factors in head and neck cancer.
D000328:Adult; D002140:California; D002648:Child; D002681:China / Q000208:ethnology; D005260:Female; D005396:Fish Products / Q000009:adverse effects; D006258:Head and Neck Neoplasms / Q000209:etiology*; D006801:Humans; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000453:epidemiology / Q000209:etiology; D009381:Neoplasms, Radiation-Induced / Q000209:etiology; D011878:Radiotherapy / Q000009:adverse effects; D012306:Risk