Classically conditioned tail flexion in rats: CR-contingent modification of US intensity as a test of the preparatory response hypothesis
1969 ◽
Vol 4
(4)
◽
pp. 575-581
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1965 ◽
Vol 70
(5)
◽
pp. 520-525
◽
2008 ◽
Vol 28
(10)
◽
pp. 2651-2658
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