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3. Hyperthermia in d-amphetamine toxicity in aggregated mice of different strains;Craig;J. Pharmac. exp. Ther.,1972
4. Increased toxicity of morphine-like analgesics in aggregated mice;Davis;J. Pharm. Pharmac.,1971
5. Studies of morphine, codein and their derivatives;Eddy;J. Pharmac. exp. Ther.,1932