Eisenach JC, Lavand'homme P, Tong C, Cheng JK, Pan HL, Virtanen R, Nikkanen H, James R. Antinociceptive and hemodynamic effects of a novel alpha2-adrenergic agonist, MPV-2426, in sheep. Anesthesiology. 1999 Nov; 91(5):1425-36.