“On the other hand, 8-OH-DPAT, a full selective 5-HT1A receptor agonist, prazosin, … alpha1-adrenoceptor antagonist, clonidine, an alpha2-adrenoceptor agonist, and two beta-adrenoceptor antagonists: propranolol and metoprolol , dose-dependently reduced the number of body … induced by intraperitoneally administered 2% solution of acetic acid (the … test).”