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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Physiol Behav. 2016 Sep 14;167:282–288. doi: 10.1016/j.physbeh.2016.09.007

Figure 2.

Figure 2

Mean (+/− SEM) number of infusions of cocaine/2h in control (CN) and iron deficient (ID) rats across 5 days of testing on the Fixed Ratio (FR) 5 schedule, 5 days on the FR10 schedule, and 12 days on the FR20 schedule of reinforcement.