Use the filter function to narrow down the selection by region, income, publication type and/or other criteria.
Siahpush, M., Wakefield, M., Spittal, M.J. et al. 2009
Slater, S.J., Chaloupka, F.J., Wakefield, M. et al. 2007
Ross, H., Chaloupka, F.J., Wakefield, M. 2006
Slater, S.J., Chaloupka, F.J., Wakefield, M. 2000