A puzzling case.
D000328:Adult; D005260:Female; D006801:Humans; D006861:Hydrogen Peroxide / Q000494:pharmacology; D008443:Maxillary Sinus / Q000000981:diagnostic imaging*; D011127:Polyps / Q000000981:diagnostic imaging*; D011859:Radiography; D012390:Root Canal Therapy; D014076:Tooth Diseases / Q000175:diagnosis
D006861:Hydrogen Peroxide