Xu, S., Robbins, D., Frost, J., Dang, A., Lange-Carter, C., & Cobb, M. H. (1995). MEKK1 phosphorylates MEK1 and MEK2 but does not cause activation of mitogen-activated protein kinase.

Xu, S., D. Robbins, J. Frost, A. Dang, C. Lange-Carter, and M H. Cobb. MEKK1 Phosphorylates MEK1 and MEK2 but Does Not Cause Activation of Mitogen-activated Protein Kinase. 1995.

Xu, S., et al. MEKK1 Phosphorylates MEK1 and MEK2 but Does Not Cause Activation of Mitogen-activated Protein Kinase. 1995.