1. International Agency for Research on Cancer (IARC): IARC Handbooks of Cancer Prevention, Tobacco Control, Reversal of Risk After Quitting Smoking. 2007, Lyon, France: IARC, 11.
2. US Surgeon General: The Health Consequences of Smoking: A Report of the Surgeon General. 2004, Atlanta, GA: US Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, Accessed 22 November 2010, [ http://www.surgeongeneral.gov/library/reports/index.html ]
3. Willemse BWM, Postma DS, Timens W, Ten Hacken NHT: The impact of smoking cessation on respiratory symptoms, lung function, airway hyperresponsiveness and inflammation. Eur Respir J. 2004, 23: 464-476. 10.1183/09031936.04.00012704.
4. Xu X, Weiss ST, Rijcken B, Schouten JP: Smoking, changes in smoking habits, and rate of decline in FEV1: new insight into gender differences. Eur Respir J. 1994, 7: 1056-1061. 10.1183/09031936.94.07030477.
5. Rijcken B, Schouten JP, Xu X, Rosner B, Weiss ST: Airway hyperresponsiveness to histamine associated with accelerated decline in FEV1. Am J Respir Crit Care Med. 1995, 151: 1377-1382.