Genetic ancestry and the relationship of cigarette smoking to lung function and per cent emphysema in four race/ethnic groups: a cross-sectional study
Rhea Powell, Duncan Davidson, Jasmin Divers, Ani Manichaikul, J Jeffrey Carr, Robert Detrano, Eric A Hoffman, Rui Jiang, Richard A Kronmal, Kiang Liu, Naresh M Punjabi, Eyal Shahar, Karol E Watson, Jerome I Rotter, Kent D Taylor, Stephen S Rich, R Graham Barr
Thorax Jul 2013, 68 (7) 634-642; DOI: 10.1136/thoraxjnl-2012-202116