1. Gurdon, J. B. Embryonic induction–molecular prospects. Development 99, 285–306 (1987).
2. Spemann, H. & Mangold, H. Über Induktion von Embryonalanlagen durch Implantation artfremder Organisatoren. Roux' Arch. EntwMech. Org. 100, 599–638 (1924).
3. Anderson, C. & Stern, C. D. Organizers in development. Curr. Top. Dev. Biol. 117, 435–454 (2016).
4. Waddington, C. H. & Schmidt, G. A. Induction by heteroplastic grafts of the primitive streak in birds. W. Roux Arch. Entwicklungsmech. Org. 128, 522–563 (1933).
5. van Straaten, H. W., Hekking, J. W., Thors, F., Wiertz-Hoessels, E. L. & Drukker, J. Induction of an additional floor plate in the neural tube. Acta Morphol. Neerl. Scand. 23, 91–97 (1985).