Tobacco use and influencing factors among Iranian children and adolescents at national and subnational levels, according to socioeconomic status : the caspian-iv study
By: Qurbani, Mustafa; Mutlagh, Muhammad Ismail; Ardalan, Gelayol…[et al.]. Iranian Red Crescent Medical Journal. Vol. 18, no. 5 (May. 2016), pp.1-8, 8 p.
Subjects: Iran; Children; Economic aspects; Epidemiology; Teenagers