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https://www.readbyqxmd.com/read/11717903/-ostium-of-maxillary-sinus-in-endoscopic-sinus-surgery
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G Tan, H Sun, J Chen
OBJECTIVE: To determine the clinical significance and operative method of maxillary sinus ostium in the treatment of chronic sinusitis and nasal polyps. METHODS: Fifty-six patients (112 sides) undergone endoscopic sinus surgery were studied. RESULTS: The patency rates of the maxillary ostia in patients with enlarged and unchanged maxillary ostia were 92.9% and 80.4% respectively. Fifty-one patients (64 sides) undergone Caldwell-Luc operations were retrospectively studied...
June 1998: Zhonghua Er Bi Yan Hou Ke za Zhi
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