title: Classification of chronic suppurative otitis media: type IV.
authors.forename: C
authors.initials: C
authors.lastname: Deguine
authors.forename: J L
authors.initials: JL
authors.lastname: Pulec
mesh_terms: D018424:Cholesteatoma, Middle Ear / Q000209:etiology*; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006801:Humans; D010035:Otitis Media, Suppurative / Q000145:classification* / Q000150:complications* / Q000601:surgery