1. Nissl, Weil and Golgi analysis of the periaqueductal grey in rat, cat and monkey;Abols;Soc. Neurosci. Abstr.,1980
2. Hypothalamus control of food intake in rats and cats;Anand;Yale J. Biol. Med.,1951
3. Effect of lesions of the periaqueductal gray matter in the cat;Bailey,1942
4. Effects of lesions of the periaqueductal gray matter in the Macaca mulatta;Bailey;J. Neuropath. exp. Neurol.,1944
5. The analgesic effect of electrical stimulation of the diencephalon and mesencephalon;Balagura;Brain Res.,1973