[New surgical trend in the radical treatment of chronic otorrheas].
D002908:Chronic Disease; D004427:Ear Diseases / Q000601:surgery*; D006801:Humans; D008416:Mastoid / Q000601:surgery*; D010579:Petrous Bone / Q000601:surgery*
Nuovo indirizzo chirurgico nella cura radicale delle otorree croniche.