F. WAGNER ;
J. ANTHONY
|
2002
Dans American Journal of Epidemiology (Vol.155, n°10, May 2002) Article : Périodique
Dans American Journal of Epidemiology (Vol.155, n°10, May 2002) Article : Périodique
Drawing upon an "exposure opportunity" concept described by Wade Hampton Frost, the authors studied two mechanisms to help account for prior observations about the "stepping-stone" or "gateway" sequences that link the use of alcohol, tobacco, ma[...]
Historique