- Common ABCB1 polymorphisms are not associated with multidrug resistance in epilepsy using a gene-wide tagging approach. Leschziner, G.D., Andrew, T., Leach, J.P., Chadwick, D., Coffey, A.J., Balding, D.J., Bentley, D.R., Pirmohamed, M., Johnson, M.R. Pharmacogenet. Genomics (2007)