- Studies on the role of the NMDA receptor in the substantia nigra pars reticulata and entopeduncular nucleus in the development of the high pressure neurological syndrome in rats. Millan, M.H., Wardley-Smith, B., Halsey, M.J., Meldrum, B.S. Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale. (1989)