1. Intrathecal [D-Pro2, D-Trp7,9]SP elicits hypoalgesia and motor blockade in the rat and antagonizes noxious responses induced by substance P;Åkerman;Acta Physiol. Scand.,1982
2. A study of [D-Pro2, D-Phe7, D-Trp9]substance P and [D-Trp7,9]substance P as tachykinin partial agonists in the rat colon;Bailey;Br. J. Pharmacol.,1984
3. Pharmacological characterization of four related substance P antagonists;Björkroth;Acta Physiol. Scand.,1982
4. A method for determining loss of pain sensation;D'Amour;J. Pharmacol. Exp. Ther.,1941
5. Substance P-induced release of Met5-enkephalin from striatal and periaqueductal gray slices;Del Rio;Brain Res.,1983