[Genetic study on chronic otitis media].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010033:Otitis Media / Q000235:genetics*; D010375:Pedigree; D012737:Sex Factors; D013223:Statistics as Topic