School tobacco policies and adolescent smoking in six European cities in 2013 and 2016: A school-level longitudinal study
Titel:
School tobacco policies and adolescent smoking in six European cities in 2013 and 2016: A school-level longitudinal study
Auteur:
Mélard, Nora Grard, Adeline Robert, Pierre-Olivier Kuipers, Mirte A.G. Schreuders, Michael Rimpelä, Arja H. Leão, Teresa Hoffmann, Laura Richter, Matthias Kunst, Anton E. Lorant, Vincent