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Figure 3 (A) Mean volume of the isobaric barostat balloon before and after administration of saline or ghrelin. Administration of ghrelin was associated with a prolonged decrease in intraballoon volume. *p<0.05 compared with saline. (B) Intraballoon volumes before and after the administration of saline or ghrelin, shown as 20 minute averages. A significantly lower volume was observed between 20 and 60 minutes after the start of ghrelin infusion. *p<0.05, †p = 0.07 compared with saline.
