title: Otosclerosis in Norway, a geographical and genetical study.
mesh_terms: D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009664:Norway; D010040:Otosclerosis / Q000453:epidemiology* / Q000235:genetics / Q000601:surgery; D011247:Pregnancy; D012737:Sex Factors