Ford, D. J. et al 1995, &quot; A national survey of cigarette smoking in fourth-form school children in New Zealand &quot; , New Zealand Medical Journal, vol. 108, p. 454 à 457.
Ford, D. J. et al 1995, &quot; A national survey of cigarette smoking in fourth-form school children in New Zealand &quot; , New Zealand Medical Journal, vol. 108, p. 454 à 457.