Reliability and construct validity of the Ottawa valve collapse scale when assessing external nasal valve collapse
Abstract Background Nasal valve collapse is a common cause of nasal obstruction in otolaryngology practice. Common examination methods, such as the Cottle Maneuver and modified Cottle Maneuver are available. However, these methods are dichotomous and do not provide ordinal severity information. The...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
SAGE Publishing
2018-02-01
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| Series: | Journal of Otolaryngology - Head and Neck Surgery |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s40463-018-0259-x |
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