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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Drug Alcohol Depend. 2017 Apr 14;175:179–186. doi: 10.1016/j.drugalcdep.2017.03.005

Figure 1.

Figure 1

Mean (N=8; ±SEM) antibody titer for female Wistar rats treated with the MH6-KLH vaccine (as indicated by vertical arrows). The timing of methamphetamine (MA) challenge experiments are indicated in shaded bars. A significant difference from week 1 is indicated by #, from week 14 by # and from week 20 by §.