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
Candrilli S, Bell T, Irish W, Morris E, Goldman S, Cairo MS. A comparison of inpatient length of stay and costs among patients with hematologic malignancies (excluding Hodgkin disease) associated with and without acute renal failure. Clin Lymphoma Myeloma Leuk. 2008 Feb 29;8(1):44-51.
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.