Ziai, H., & Bonaparte, J. P. Reliability and construct validity of the Ottawa valve collapse scale when assessing external nasal valve collapse. SAGE Publishing.
Chicago Style (17th ed.) CitationZiai, Hedyeh, and James P. Bonaparte. Reliability and Construct Validity of the Ottawa Valve Collapse Scale When Assessing External Nasal Valve Collapse. SAGE Publishing.
MLA (9th ed.) CitationZiai, Hedyeh, and James P. Bonaparte. Reliability and Construct Validity of the Ottawa Valve Collapse Scale When Assessing External Nasal Valve Collapse. SAGE Publishing.
Warning: These citations may not always be 100% accurate.