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Three groups of rats (4–6 per group) were infused for 21 days with saline or ghrelin (1.5 μg/day). Rats infused with ghrelin were ad lib-fed or pair-fed (to saline-infused rats). * P<0.05 vs. control; † P<0.05 vs. paired-fed. Data are presented as the mean±SEM.
