1) HOLMES, S.W. AND HORTON, E.W.: The nature and distribution of prostaglandins in the central nervous system of the dog. J. Physiol. 191, 134P-135P (1967)
2) HOLMES, S.W. AND NORTON, E.W.: The identification of four prostaglandins in dog brain and their regional distribution in the central nervous system. J. Physiol. 195, 731-740 (1968)
3) COCEANI, F., PUCLISI, L. AND LAVERS, B.: Prostaglandins and neuronal activity in spinal cord and cuneate nucleus. Ann. N. Y. Acad. Sci. 180, 289-301 (1971)
4) FELDBERG, W. AND MYERS, R.D.: Appearance of 5-hydroxytryptamine and an unidentified pharmacologically active lipid acid in effluent from perfused cerebral ventricles. J. Physiol. 184, 837-855 (1966)
5) RAMWELL, P.W. AND SHAW, J.E.: Spontaneous and evoked release of prostaglandins from cerebral cortex of anesthetized cats. Ant. J. Physiol. 211, 125-134 (1966)