Accueil
Détail de l'auteur
Auteur S. G. HEERINGA |
Documents disponibles écrits par cet auteur (2)
Ajouter le résultat dans votre panier Faire une suggestion Affiner la recherche
Article : Périodique
Background: National programs that reduce adolescent cannabis use warrant renewed attention in light of current discussions to reform cannabis legislation, including the possibility of legalization for recreational use. This study measures the s[...]Article : Périodique
BACKGROUND AND AIMS: Increasing numbers of school-based drug surveys are transitioning data collection to electronic tablets from paper-and-pencil, which may produce a survey mode effect and consequent discontinuity in time trends for population[...]