Cite
MLA Citation
Nihaya A Al-sheyab et al.. “The Effect of a "Class Smoke Free Pledge" on Breath Carbon Monoxide in Arabic Male Adolescents.” Nicotine & tobacco research, vol. 20, no. 5, 2018, pp. 568–574. http://access.bl.uk/ark:/81055/vdc_100095508155.0x000020