M. Yen, J. Chen, J. Marquez, E. Sun, and M. Saier. Membrane Transporters in Drug Discovery and Development, 637, chapter 3, Humana Press, Totowa, NJ, (2010)
P. Bahadduri, J. Polli, P. Swaan, and S. Ekins. Membrane Transporters in Drug Discovery and Development, 637, chapter 4, Humana Press, Totowa, NJ, (2010)