Smith, B., Fang, H., Pan, Y., Walker, P. R., Famili, A. F., & Sikorska, M. (2007). Evolution of motif variants and positional bias of the cyclic-AMP response element. BioMed Central.

Smith, Brandon, Hung Fang, Youlian Pan, P Roy Walker, A Fazel Famili, and Marianna Sikorska. Evolution of Motif Variants and Positional Bias of the Cyclic-AMP Response Element. BioMed Central, 2007.

Smith, Brandon, et al. Evolution of Motif Variants and Positional Bias of the Cyclic-AMP Response Element. BioMed Central, 2007.