neoplasms, oropharyngeal
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Upper Aerodigestive Tract Lesions, Tumors, Oropharyngeal, Oropharyngeal Cancer Trial (Direct Rigid Endoscopy, Transnasal
Withdrawn
- Upper Aerodigestive Tract Lesions
- +8 more
- Direct Rigid Endoscopy
- Transnasal Flexible Endoscopy with Narrowband Imaging
- (no location specified)
Aug 15, 2014