Hammond, D., Rynard, V. L., & Reid, J. L. (2020). Changes in Prevalence of Vaping Among Youths in the United States, Canada, and England from 2017 to 2019. JAMA Pediatr.
Παραπομπή Chicago StyleHammond, David, Vicki L. Rynard, και Jessica L. Reid. "Changes in Prevalence of Vaping Among Youths in the United States, Canada, and England From 2017 to 2019." JAMA Pediatr 2020.
Παραπομπή MLAHammond, David, Vicki L. Rynard, και Jessica L. Reid. "Changes in Prevalence of Vaping Among Youths in the United States, Canada, and England From 2017 to 2019." JAMA Pediatr 2020.
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