1. Aggregation as a factor influencing the toxicity of sympathomimetic amines in mice;Chance;J. Pharmacol. Exp. Ther.,1946
2. Correlations of activating and lethal effects of excitatory drugs in grouped and isolated mice;Greenblatt;J. Pharmacol. Exp. Ther.,1961
3. The effects of forced exercise on body temperature and amphetamine toxicity;Hardinge;J. Pharmacol. Exp. Ther.,1964
4. Effect of lethal doses of morphine on brain amines in isolated and aggregated mice;Mohrland;Pharmacol. Biochem. Behav.,1980
5. A comparison of the acute toxicity of some centrally acting drugs measured under crowded and uncrowded conditions;Doggett;Tox. Appl. Pharmacol.,1977