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Sinusitis
Chronic Disease
Rhinitis
Nasopharyngeal Neoplasms
Ethmoid Sinusitis
Mouth Neoplasms
Maxillary Sinusitis
Endoscopy
X Ray Computed Tomography
Retrospective Studies
Treatment Outcome
Prospective Studies
Neoplasm Staging
Taiwan
Ethmoid Sinus
Nasal Cavities
Young Adult
Human Herpesvirus 4
Anti-Bacterial Agents
Questionnaires
Co-Publications
27
22
17
16
11
10
9
7
6
5
4
3
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