Understanding the impact of second-hand smoke exposure on clinical outcomes in participants with COPD in the SPIROMICS cohort
Nirupama Putcha, R Graham Barr, Meilan K Han, Prescott G Woodruff, Eugene R Bleecker, Richard E Kanner, Fernando J Martinez, Benjamin M Smith, Donald P Tashkin, Russell P Bowler, Mark D Eisner, Stephen I Rennard, Robert A Wise, Nadia N Hansel, for the SPIROMICS Investigators
Thorax May 2016, 71 (5) 411-420; DOI: 10.1136/thoraxjnl-2015-207487