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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Tob Control. 2020 Feb 12;30(1):24–29. doi: 10.1136/tobaccocontrol-2019-055345

Figure 2.

Figure 2

Mean (SEM) cotinine levels between single use (cigarette only) and dual use (cigarette+smokeless tobacco (SLT)) days, which were significantly different at p<0.05.