Second-hand smoke exposure in 4-year-old children in Spain: Sources, associated factors and urinary cotinine

17/01/2016

Aurrekoetxea JJ, Murcia M, Rebagliato M, Guxens M, Fernández-Somoano A, López MJ, Lertxundi A, Castilla AM, Espada M, Tardón A, Ballester F, Santa-Marina L. Second-hand smoke exposure in 4-year-old children in Spain: Sources, associated factors and urinary cotinine. Environ Res. 2016 Feb;145:116-25. PMID: 26656512