TY  - GEN
AU  - McMillan,D E
AU  - Li,M
TI  - Effects of drugs on responding under concurrent fixed-interval schedules and concurrent fixed-ratio schedules
SN  - 0955-8810
PY  - 2000///0518
KW  - Animals
KW  - Central Nervous System Stimulants
KW  - pharmacology
KW  - Columbidae
KW  - Conditioning, Operant
KW  - drug effects
KW  - Discrimination, Psychological
KW  - Excitatory Amino Acid Antagonists
KW  - Generalization, Stimulus
KW  - Hypnotics and Sedatives
KW  - Male
KW  - Methamphetamine
KW  - Morphine
KW  - Narcotics
KW  - Pentobarbital
KW  - Phencyclidine
KW  - Reinforcement Schedule
N1  - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1097/00008877-199912000-00008
ER  -