1. Berman, A.L.: The brainstem of the cat; a cytoarchitectonic atlas with stereotaxic coordinates. Madison, Wisc.: Univ. of Wisconsin Press 1968
2. Dermietzel, R.E., Liebstein, A., Wilkenberg, I., See, W., Schlaefke, M.: In vivo labelling of neurons in the chemosensitive fields of the ventral surface of the medulla oblongata with horseradishperoxidase. (HRP). Proc. Int. Un. Physiol. Sci.13, 521 (1977)
3. Feldberg, W., Guertzenstein, P.G.: A vasodepressor effect of pentobarbitone sodium. J. Physiol. (Lond.)224, 83?103 (1972)
4. Guertzenstein, P.G.: Blood pressure effects obtained by drugs applied to the ventral surface of the brain stem. J. Physiol. (Lond.)229, 395?408 (1973)
5. Guertzenstein, P.G., Hilton, S.M., Marshall, J.M., Timms, R.J.: Experiments of the origin of vasomotor tone. J. Physiol. (Lond.)275, 78?79 P (1978)