Kishimoto, Y., Lee, K.H., Zon, L., Hammerschmidt, M., and Schulte-Merker, S. (1997) The molecular nature of zebrafish swirl: BMP2 function is essential during early dorsoventral patterning. Development (Cambridge, England). 124:4457-4466

Nguyen, V.H., Schmid, B., Trout, J., Connors, S.A., Ekker, M., and Mullins, M.C. (1998) Ventral and lateral regions of the zebrafish gastrula, including the neural crest progenitors, are established by bmp2b/swirl pathway of genes. Developmental Biology. 199:93-110