Ellison-Loschmann L, Sunyer J, Plana E, Pearce N, Zock JP, Jarvis D. Socioeconomic status, asthma and chronic bronchitis in a large community-based study. Eur Respir J. 2007 May;29(5):897-905.
Payne JR, James LE, Eleftheriou KI, Hawe E, Mann J, Stronge A, Banham K, World M, Humphries SE, Pennell DJ, Montgomery HE. The association of left ventricular mass with blood pressure, cigarette smoking and alcohol consumption; data from the LARGE Heart study. Int J Cardiol. 2007;120(1):52-8.