Is a combination of varenicline and nicotine patch more effective in helping smokers quit than varenicline alone? A randomised controlled trial.

MLA

Hajek, Peter, et al. “Is a Combination of Varenicline and Nicotine Patch More Effective in Helping Smokers Quit than Varenicline Alone? A Randomised Controlled Trial.” BMC Medicine, vol. 11, May 2013, p. 140. EBSCOhost, https://doi.org/10.1186/1741-7015-11-140.

APA

Hajek, P., Smith, K. M., Dhanji, A.-R., & 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 Medicine, 11, 140. https://doi.org/10.1186/1741-7015-11-140

Chicago

Hajek, Peter, Katie Myers Smith, Al-Rehan Dhanji, and Hayden McRobbie. 2013. “Is a Combination of Varenicline and Nicotine Patch More Effective in Helping Smokers Quit than Varenicline Alone? A Randomised Controlled Trial.” BMC Medicine 11 (May): 140. doi:10.1186/1741-7015-11-140.