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A new instrument to predict smoking cessation among patients with chronic obstructive pulmonary disease: an observational longitudinal study of the Trying To Quit smoking questionnaire

Crossref DOI link: https://doi.org/10.1038/npjpcrm.2016.13

Published Online: 2016-04-14

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

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