TY - GEN AU - Caldarone,B J AU - Abrahamsen,G C AU - Stock,H S AU - Mongeluzi,D L AU - Rossellini,R A TI - Enhancement of morphine analgesia in rats following removal from contextual conditioned fear cues SN - 0278-5846 PY - 1997///1107 KW - Analgesia KW - Analysis of Variance KW - Animals KW - Conditioning, Psychological KW - Electroshock KW - Fear KW - Male KW - Morphine KW - pharmacology KW - Rats KW - Rats, Sprague-Dawley KW - Stress, Psychological KW - Time Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0278-5846(97)00093-6 ER -