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A case of unexpectedly difficult intubation caused by a large asymptomatic choanal polyp

Crossref DOI link: https://doi.org/10.1186/S40981-016-0028-7

Published Online: 2016-01-15

Published Print: 2016-12

Update policy: https://doi.org/10.1007/SPRINGER_CROSSMARK_POLICY

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