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. Author manuscript; available in PMC: 2011 Jun 23.
Published in final edited form as: Pulm Pharmacol Ther. 2008 Dec 7;22(2):82–89. doi: 10.1016/j.pupt.2008.11.013

Fig. 2.

Fig. 2

Comparison of post-trial expulsive events following placebo gum administration in NS (open triangles) and SM (closed squares) groups, and in the SM group following nicotine gum administration (closed circles). * indicates significant differences from the corresponding post-trial nicotine (SM) and post-trial placebo (NS) values. There were no differences between post-trial nicotine (SM) and post-trial placebo (NS) values.