BETA-ENDORPHIN - CROSS TOLERANCE TO AND CROSS PHYSICAL-DEPENDENCE ON MORPHINE

[11] LITCHFIELD JT, 1949, J PHARMACOL EXP THER, V96, P99

[12] BETA-ENDORPHIN IS A POTENT ANALGESIC AGENT [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1976, 73 (08) : 2895 - 2898

[13] TSENG L, IN PRESS

[14] WAY EL, 1969, J PHARMACOL EXP THER, V167, P1

[15] WEI E, IN PRESS

[11] LITCHFIELD JT, 1949, J PHARMACOL EXP THER, V96, P99

[12] BETA-ENDORPHIN IS A POTENT ANALGESIC AGENT [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1976, 73 (08) : 2895 - 2898

[13] TSENG L, IN PRESS

[14] WAY EL, 1969, J PHARMACOL EXP THER, V167, P1

[15] WEI E, IN PRESS