[The clinical and histopathological studies on the window operation for the chronic maxillary sinusitis].
D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008443:Maxillary Sinus / Q000601:surgery*; D008722:Methods; D009297:Nasal Mucosa / Q000473:pathology; D012852:Sinusitis / Q000473:pathology / Q000601:surgery*