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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. 1.

Fig. 1

Average number of expulsive events in the NS (top) and SM (middle) groups before (closed squares) and after (open circles) placebo gum administration, and following nicotine gum administration in the SM group (bottom). Symbols indicate significant differences: € significantly different from 0, 5, 15, 25, 50, 100 µM capsaicin (pre- and post-trials); * significantly different from 0, 5, 10, 25, 50 µM capsaicin (pre- and post-trials); # significantly different from 0, 5, 10, 25 µM capsaicin (pre- and post-trials); & significantly different from 0, 5, 10 µM capsaicin (pre- and post-trials); § significantly different from 0, 5, 10, 25 µM capsaicin (pre-trial only); ¥ significantly different from the corresponding pre-trial value.