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3. Cigarette consumption and sales of nicotine replacement products
4. Department of Health U Services H for Disease Control C Center for Chronic Disease Prevention N Promotion H on Smoking O. E‐Cigarette Use Among Youth and Young Adults: A Report of the Surgeon General.https://e‐cigarettes.surgeongeneral.gov/documents/2016_sgr_full_report_non‐508.pdf. Accessed April 24 2018.
5. The Effect of Transdermal Nicotine on Fracture Healing in a Rabbit Model