
Ross, H., Chaloupka, F.J. 2004

Ross, H., Chaloupka, F.J. 2003

Emery, S., White, M.M., Pierce, J.P. 2001

Centers for Disease Control and Prevention 1998

Lewit, E.M., Hyland, A., Kerrebrock, N. et al. 1997

Chaloupka, F.J., Grossman, M. 1996
Ross, H., Chaloupka, F.J. 2004
Ross, H., Chaloupka, F.J. 2003
Emery, S., White, M.M., Pierce, J.P. 2001
Centers for Disease Control and Prevention 1998
Lewit, E.M., Hyland, A., Kerrebrock, N. et al. 1997
Chaloupka, F.J., Grossman, M. 1996