[Evaluation of preservation of the maxillary sinus mucosa in the surgical treatment of chronic sinusitis].
D000818:Animals; D002908:Chronic Disease; D005005:Ethmoid Sinus; D006801:Humans; D008443:Maxillary Sinus; D008722:Methods; D009092:Mucous Membrane; D011817:Rabbits; D012852:Sinusitis / Q000601:surgery*