Galbe Sánchez-Ventura J, Traver P, Navarra B, Martínez A, Galve Z, Aliaga Mazas Y, et al. Brief counselling on smoking prevention in 8º to 10º year of Secondary School in Zaragoza. Rev Pediatr Aten Primaria. 2009;11:49-63.
Galbe Sánchez-Ventura J, Magallón R, Clemente ML, Oliván B, Galve Z, Aliaga C, et al. Epidemiological study on the smoking habit in adolescents of second and third ESO course in Zaragoza. Rev Pediatr Aten Primaria. 2007;9:577-87.