Beard, E., Aveyard, P., McNeill, A., Michie, S., Fidler, J., Brown, J., & West, R. (2012). Mediation analysis of the association between use of NRT for smoking reduction and attempts to stop smoking. Routledge.

Beard, E., P. Aveyard, A. McNeill, S. Michie, J. Fidler, J. Brown, and R. West. Mediation Analysis of the Association Between Use of NRT for Smoking Reduction and Attempts to Stop Smoking. Routledge, 2012.

Beard, E., et al. Mediation Analysis of the Association Between Use of NRT for Smoking Reduction and Attempts to Stop Smoking. Routledge, 2012.