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Terminal 1st h Infusions as a function of Terminal Drug Taking (A), Terminal Drug Loading (C), Mean Number of Infusions during PR (E), and Mean Attempts During Extinction Hour 1 (G). Change in Saccharin Consumption (Trial 16 – Trail 1) as a function of Terminal Drug taking in 6 h (B), Terminal Drug Loading (D), and Terminal 1st h Infusions (F).
