title: THE DEVELOPMENT OF THE MIDDLE EAR SPACES AND THEIR SURGICAL SIGNIFICANCE.
mesh_terms: D000715:Anatomy; D002781:Cholesteatoma; D004432:Ear, Middle; D004626:Embryology; D013514:Surgical Procedures, Operative
keywords: ANATOMY; CHOLESTEATOMA; EAR, MIDDLE; EMBRYOLOGY; SURGERY, OPERATIVE