Impact of a multi-level intervention to prevent secondhand smoke exposure in schoolchildren: A randomized cluster community trial
Titel:
Impact of a multi-level intervention to prevent secondhand smoke exposure in schoolchildren: A randomized cluster community trial
Auteur:
Blanch, Carles Fernández, Esteve Martínez-Sánchez, Jose M. Ariza, Carles López, María J. Moncada, Albert Schiaffino, Anna Rajmil, Luis Saltó, Esteve Pascual, José A. Nebot, Manel