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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Neuropharmacology. 2011 Mar 23;61(1-2):95–104. doi: 10.1016/j.neuropharm.2011.03.007

Table 2.

Effect of TCP pretreatments on nicotine self-administration breakpoint values.

Pretreatment Breakpoint value (Mean ± SEM)
1 hr (±) TCP 122.1 ± 35.3
1 hr (+) TCP 57.8 ± 17.2
1 hr (−) TCP 19.4 ± 7.6*
20 hr (±) TCP 34.8 ± 26.6
*

p<0.05 vs. 1-hr (±) TCP; n=9–13/group.