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. 2011 Jan;95(1):75–89. doi: 10.1901/jeab.2011.95-75

Table 5.

Parameters describing demand for cocaine and remifentanil in conditions prior to daily morphine injections (Pre), 3 and 20.5 hr following each morphine injection during daily morphine, and 4 to 5 weeks following daily morphine (Post). The Group parameters correspond to the demand curves shown in Figures 3 and 4.

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