Christensen T, Riis AH, Hatch EE, Wise LA, Nielsen MG, Rothman KJ, Toft Sorensen H, Mikkelsen EM. Costs and efficiency of online and offline recruitment methods: a web-based cohort study. J Med Internet Res. 2017 Mar 1;19(3):e58. doi: 10.2196/jmir.6716
Laramee P, Bell M, Irving A, Brodtkorb TH. The cost-effectiveness of the integration of nalmefene within the UK healthcare system treatment pathway for alcohol dependence. Alcohol Alcohol. 2016 May;51(3):283-90. doi: 10.1093/alcalc/agv140
Danysh HE, Gilman RH, Wells JC, Pan WK, Zaitchik B, Gonzalvez G, Alvarez M, Checkley W. El Niño adversely affected childhood stature and lean mass in northern Peru. Climate Change Responses. 2014;1(7). doi: 10.1186/s40665-014-0007-z