Rees K, Hartley L, Day C, Flowers N, Clarke A, Stranges S. Selenium supplementation for the primary prevention of cardiovascular disease. Cochrane Database Syst Rev. 2013 Jan 31;1:CD009671. doi: 10.1002/14651858.CD009671
Marcano Belisario JS, Bruggeling MN, Gunn LH, Brusamento S, Car J. Interventions for recruiting smokers into cessation programmes. Cochrane Database Syst Rev. 2012 Dec 12;12(12):CD009187. doi: 10.1002/14651858.CD009187.pub2
Fleming AD, Philip S, Goatman KA, Olson JA, Sharp PF. Automated assessment of diabetic retinal image quality based on clarity and field definition. Invest Ophth Vis Sci. 2006 Mar 1;47(3):1120-5. doi: 10.1167/iovs.05-1155
Bonfill X, Marzo M, Pladevall-Vila M, Marti J, Emparanza JI. Strategies for increasing women participation in community breast cancer screening. Cochrane Database Syst Rev. 2001;(1):CD002943.