1. DeRuiter, M. C., Poelmann, R. E., VanderPlas-de Vries, I., Mentink, M. M. T. and Gittenberger-de Groot, A. C. (1992) The development of the myocardium and endocardium in mouse embryos. Fusion of two heart tubes? Anat. Embryol. 185, 461–473.
2. Gittenberger-de Groot, A. C., Bartelings, M. M., DeRuiter, M. C. and Poelmann, R. E. (2005) Basics of cardiac development for the understanding of congenital heart malformations. Pediatr. Res. 57, 169–176.
3. Kurkiewicz, T. (1909) [Zur Histogenese des Hersmuzkels der Wirbeltiere]. Bull. Int. Acad. Sci. Cracovie 148–191.
4. Kölliker, A. Entwicklungsgeschichte des Menschen und der Thiere. Engelmann, Leipzig (1879).
5. De Haan, R. L. (1965) Organogenesis, De Haan, R. L. and Ursprung, H. (eds.), Holt, Rinehart and Winston, New York.