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Directed functional endoscopic sinus surgery and headaches |
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| Authors: | Becker D O Cunning D M |
| Affiliation: | Dept of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, 7 Silverstein, 3400 Spruce St, Philadelphia, PA 19104. beckerd@mail.med.upenn.edu |
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| 本文献已被 PubMed 等数据库收录！ | |