1. Immunohistochemical and ultrastructural characterization of the initial post-hatching development of bovine embryos;Maddox-Hyttel;Reproduction,2003
2. The Developing Human: Clinically Oriented Embryology;Moore,1982
3. Developmental Stages in Human Embryology, Embryos of the First 3 Weeks (Stages 1–9);O’Rahilly,1973
4. Peh, G.S.L., 2007. Characterization of neural progenitors derived from human embryonic stem cells. Ph.D. Thesis, Monash University, Melbourne, Australia.
5. New advances in human embryology: morphofunctional relationship between the embryo and the yolk sac;Pereda;Med. Electron. Microsc.,1999