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APA Citation
Shaikh, R. B., Sreedharan, J., Al Sharbatti, S., Muttappallymyalil, J., Lee, L., & Weitzman, M. (2019). salivary cotinine concentration and carbon monoxide levels in young adults smoking midwakh in comparison with cigarette smokers. Tobacco control, 28(2), 141–145. http://access.bl.uk/ark:/81055/vdc_100135179157.0x000025