Gadue, P., Huber, T. L., Paddison, P. J., Keller, G. M. (2006) Wnt and TGF-ß signaling are required for the induction of an in vitro model of primitive streak formation using embryonic stem cells. Proceedings of the National Academy of Sciences of the United States of America, 103 (45). pp. 16806-16811. ISSN 00278424
Latham, K. E., Beddington, R. S., Solter, D., Garrels, J. I. (June 1993) Quantitative analysis of protein synthesis in mouse embryos. II: Differentiation of endoderm, mesoderm, and ectoderm. Mol Reprod Dev, 35 (2). pp. 140-50. ISSN 1040-452X