Effects of cocaine administration and withdrawal on the performance of pigeons under a fixed-consecutive-number schedule with and without an external discriminative stimulus
1990 ◽
Vol 1
(6)
◽
pp. 491???496
◽
2003 ◽
Vol 117
(2)
◽
pp. 212-221
◽
2003 ◽
Vol 22
(2)
◽
pp. 7
◽
Keyword(s):
1992 ◽
Vol 19
(3)
◽
pp. 453-459
◽