Mastoid pneumatization. A critical analysis of the hereditary theory.
D000158:Acoustic Impedance Tests; D002675:Child, Preschool; D004432:Ear, Middle / Q000473:pathology; D005088:Exocrine Glands / Q000473:pathology; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008416:Mastoid / Q000473:pathology*; D009093:Mucus; D010033:Otitis Media / Q000209:etiology* / Q000235:genetics