Comparison between objective measures of smoking and self-reported smoking status in patients with asthma or COPD: are our patients telling us the truth?
Rafael Stelmach, Frederico Leon Arrabal Fernandes, Regina Maria Carvalho-Pinto and 4 more
Jornal Brasileiro de Pneumologia · 2015
doi:10.1590/s1806-37132015000004526 (opens in a new tab)
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