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Effects of apomorphine on elicited and operant pecking in pigeons
(Springer-Verlag, 1980-12)
The effects of apomorphine (0.001–32.0 mg/kg) on elicited and operant pecking were studied in pigeons. Elicited pecking was measured in a 1-h observation test. Apomorphine caused dose-related increases in the pecking ...