Assessment of smoking status based on cotinine levels in nasal lavage fluid

Short report

Mehmet H Ozdener^*, Karen K Yee, Ryan McDermott, Beverly J Cowart, Aldona A Vainius, Pamela Dalton and Nancy E Rawson

Tobacco Induced Diseases 2009, 5:11 doi:10.1186/1617-9625-5-11

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