“The effect of absenteeism and school failure in the consumption of snuff in a sample of students in 3rd and 4th of Secondary Education / El efecto del absentismo y el fracaso escolar en el consumo de tabaco, en una muestra de estudiantes de 3º y 4º (. )” (2013) Health and Addictions/Salud y Drogas, 13(1). doi:10.21134/haaj.v13i1.193.