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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Horm Behav. 2011 Feb 17;59(4):512–519. doi: 10.1016/j.yhbeh.2011.01.013

Fig. 4.

Fig. 4

Animals injected IP with ghrelin had statistically higher serum ghrelin concentrations than saline-injected animals in summer and winter. * indicates significance between saline and ghrelin-injected animals at p≤0.05.