Nasopharyngeal carcinoma in central Pennsylvania.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000453:epidemiology* / Q000401:mortality / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000453:epidemiology* / Q000401:mortality / Q000473:pathology; D009656:North America; D010414:Pennsylvania