Garcia-Albeniz X, Hsu J, Bretthauer M, Hernan MA. Effectiveness of screening colonoscopy to prevent colorectal cancer among Medicare beneficiaries aged 70-79 years: a prospective observational study. Ann Intern Med. 2017 Jan 3;166(1):18-26.
Norback D, Zock JP, Plana E, Heinrich J, Svanes C, Sunyer J. Lung function decline in relation to mould and dampness in the home: the longitudinal European Community Respiratory Health Survey ECRHS II. Thorax. 2011 May;66(5):396-401.