1. Ambalavanar, R. &Morris, R. (1989) Fluoro-gold injected either subcutaneously or intravascularly results in extensive retrograde labelling of CNS neurons having axons terminating outside the blood-brain barrier.Brain Research 505, 171?5.
2. Balercia, G., Bentivoglio, M. &Kruger, L. (1990a) The Ependymal region of the thalamus. An electron microscopic study of the glial architecture and underlying labeled neurons of the rat paraventricular nucleus.European Journal of Neuroscience Suppl. 3, 41.
3. Balercia, G., Bentivoglio, M. &Kruger, L. (1990b) An Electron microscopic study of retrogradely labeled projection neurons and their relation to the ependymal layer of the thalamic paraventricular nucleus.Society for Neuroscience Abstracts 16, 426.
4. Blakemore, W. F. (1969) The ultrastructure of the subependymal plate in the rat.Journal of Anatomy 104, 423?33.
5. Bleier, R. (1971) The relations of ependyma to neurons and capillaries in the hypothalamus: a Golgi-Cox study.Journal of Comparative Neurology 142, 439?64.