Riba, Pal; Ben, Yong; Nguyen, Thi M-D et al. (2002) [Dmt(1)]DALDA is highly selective and potent at mu opioid receptors, but is not cross-tolerant with systemic morphine. Curr Med Chem 9:31-9 |
He, L; Lee, N M (1998) Delta opioid receptor enhancement of mu opioid receptor-induced antinociception in spinal cord. J Pharmacol Exp Ther 285:1181-6 |
He, L; Lee, N M (1997) DynorphinA-(2-17) restores spinal/supraspinal morphine synergy in morphine-tolerant mice. J Pharmacol Exp Ther 280:1210-4 |