參考文獻
Hajek, P,Smith, KM,Dhanji, AR,McRobbie, H(2013).Is a combination of varenicline and nicotine patch more effective in helping smokers quit than varenicline alone? A randomised controlled trial.BMC Med.11,140.
Josep, MR,Sergio, M,Antoni, B,Cristina, MA(2014).Combining varenicline and nicotine patches: a randomized controlled trial study in smoking cessation.BMC Med.12,172.