TY  - GEN
AU  - Picker,M J
TI  - Drug discrimination history: pigeons trained to discriminate opioids with activity at different receptor types
SN  - 1064-1297
PY  - 1998///0730
KW  - Animals
KW  - Benzomorphans
KW  - pharmacology
KW  - Butorphanol
KW  - Discrimination Learning
KW  - drug effects
KW  - Dose-Response Relationship, Drug
KW  - Female
KW  - Fentanyl
KW  - Guinea Pigs
KW  - Morphine
KW  - Narcotics
KW  - Receptors, Opioid
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1037//1064-1297.6.2.139
ER  -