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2. Differential excitatory and inhibitory effects of opiates on nonnociceptive and nociceptive neurones in the spinal cord of the cat;Belcher;Brain Res.,1978
3. Activities of narcotic and narcotic antagonist analgesics following the intraventricular injection of various substances;Calcutt;Br. J. Pharmacol.,1971
4. Evidence for the existence of monoamine neurons in the central nervous system. II Experimental induced changes in intraneuronal amine levels of bulbospinal neuron systems;Dahlström;Acta Physiol. Scand.,1965
5. The effect of various neurohumeral modulators on the activity of morphine and the narcotic antagonists in tail-flick and phenylquinone tests;Dewey;J. Pharmacol. Exp. Ther.,1970