1. Gass, G.H., Kaplan, H.M., 1996. Handbook of Endocrinology. CRC Press, Boca Raton, FL.
2. Hogan, B., Beddington, R., Costantini, F., Lacy, E., 1994. Manipulating the Mouse Embryo. A Laboratory Manual, second ed. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY.
3. Kuhlenbeck, H., 1973. The Central Nervous System of Vertebrates. S. Karger, Basel.
4. Identification of a c-fos-induced gene that is related to the platelet-derived growth factor/vascular endothelial growth factor family;Orlandini;Proc. Natl. Acad. Sci. USA,1996
5. Rugh, R., 1991. The Mouse. Its Reproduction and Development. Oxford University Press, Oxford.