J. F. ETTER ;
T. V. PERNEGER
|
2001
Dans Journal of Epidemiology and Community Health (Vol.55, n°9, September 2001) Article : Périodique
Dans Journal of Epidemiology and Community Health (Vol.55, n°9, September 2001) Article : Périodique
STUDY OBJECTIVE The number of cigarettes smoked per day is an imprecise indicator of exposure to cigarette smoke, and biochemical assessment of exposure is not always feasible. The aim of this study was to develop more accurate measures of self [...]
Historique