bolus injection of the gastrin-releasing polypeptide , a neuropeptide , during saline infusions resulted in a peak plasma insulin level of 28.2 +/- 8.6 microu/ml but , during galanin infusions , the maximum level attained was significantly lower at 3.4 +/- 2.0 microu/ml .
C0061132
gastrin-releasing
C0027895
neuropeptide