1. Belknap JK, Danielson PW, Laursen SE, Noordewier B (1987) Selective breeding for levorphanol-induced antinociception on the hot-plate assay: commonalties in mechanism of action with morphine, petazocine, ethylketoclazocine, U-50488 and clonidine in mice. J Pharmacol Exp Ther 241:477–481
2. Brase DA, Loh HH, Way EL (1977) Comparison of the effects of morphine on locomotor activity, analgesia and primary and protracted physical dependence in six mouse strains. J Pharmacol Exp Ther 201:368–374
3. Bruell JH (1962) Dominance and segregation in the inheritance of quantitative behavior in mice. In: Bliss EL (ed) Roots of behavior. Harper and Rowe, New York, pp 92–109
4. Castellano C, Oliverio A (1975) A genetic analysis of morphine-induced running and analgesia in the mouse. Psychopharmacologia 41:197–200
5. deFiebre CM, Marley RJ, Miner LL, deFiebre NEC, Wehner JM, Collins AC (1992) Classical genetic analysis of responses to sedative-hypnotic drugs in crosses derived from long-sleep and short-sleep mice. Alcohol Clin Exp Res 16:511–521