title: Conductive deafness--a study in depth.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D034381:Hearing Loss; D006314:Hearing Loss, Conductive / Q000145:classification / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010035:Otitis Media, Suppurative / Q000150:complications