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
Parsley (Edwards) TL. Review of the phantom respondents: opinion surveys and political representation. J Off Stat. 1994;10(3):351-5.