Depression, anxiety, and COPD: The unexamined role of nicotine dependence.

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Citation: Goodwin RD, Lavoie KL, Lemeshow AR, Jenkins E, Brown ES, Fedoronko DA. Depression, anxiety, and COPD: The unexamined role of nicotine dependence. Nicotine Tob Res. 2012 Feb;14(2):176-83.