1. Brown DR, Holtzman SG (1979) Suppression of deprivation-induced food and water intake in rats and mice by naloxone. Pharmacol Biochem Behav 11:567–573
2. Carroll ME, Lac ST, Walker J, Kragh R, Newman T (1986) Effects of naltrexone on intravenous cocaine self-administration in rats during food satiation and deprivation. J Pharmacol Exp Ther 238:1–7
3. CCAC (1980) Guide to the care and use of experimental animals. Canadian Council on Animal Care, Ottawa, Ontario, p 84
4. Corrigall WA (1991) A rodent model for nicotine self-administration. In: Boulton AA, Baker GB, Wu PH (eds) Animal models of drug addiction. Neuromethods, vol 21. Humana Press, Califton (in press)
5. Corrigall WA, Coen KM (1989) Nicotine maintains robust self-administration in rats on a limited-access schedule. Psychopharmacology 99:473–478