4Arora PK, Fride E, Petitto J. Morphine induced immunce alteration in vivo [J]. Cell Immunol,1990,126(2) :343.
5Cardenas JM. Human interleukin-2 Quantitatio by a sensitive radiolimmuoassay[J]. J Immuol Methods, 1986,89(4):181.
6Bhargara HN. Effect of heorin dependence on cell immunity system [ J ]. Brain Research, 1994, 642 ( 1 ) : 1 -10.
7Thomas PT, House RV, Bhargara HN. Direct cellular immunomodulation produced by diacetylmorphine or methadone[ J ]. Gen Pharmocal, 1995,26 ( 1 ) : 123.
8Freier-DO, Fuchs BA. A mechanism of action for morphine-induced immunosuppression[ J ]. J Pharmacal Exp Ther,1994,170(3) :1127.
9Baeyens JM, Eposito E,Ossowska G, et al. Effect of peripheral and central administration of calcium channel blockers in the naloxone-precipitated abstinence syndrome in morphine-dependent rats. Eur J Pharmacol, 1987, 137:9-13.
10East S J, Garthwaite J. NMDA receptor activation in rat hippocampus induces cGMP formation through the L-arginine-nitrie oxide pathway. Neurosci Lett, 1991,123:17-19.
