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Food intake in wild-type and PKR2 knockout mice following saline or PK2 injection. 0–1 h food intake in wild-type and PKR2 knockout mice following i.p. injection of either saline, 20 nmol kg−1 PK2 or 60 nmol kg−1 PK2. *P < 0.05 versus saline, n = 6–13 per group.
