Author(s):
Precioso, José ; Samorinha, Catarina
; Calheiros, José
; Macedo, Manuel
; Antunes, Henedina
; Ravara, Sofia
; Campos, Hugo
Date: 2009
Persistent ID: http://hdl.handle.net/1822/10364
Origin: RepositóriUM - Universidade do Minho
Subject(s): Second hand smoking; Smoking prevention; Health education