Doris Ragna Meyer

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Clonidine's action on naloxone (Nx)-induced suppression of fixed-ratio (FR15) responding and body weight loss was studied in morphine (M)-dependent rats. Clonidine (10--70 microgram/kg IP) injected 30 min prior to the behavioral session resulted in a dose-related suppression of operant behavior in M-naive animals. A small, but significant decrease (3--5%)(More)