Lack of association of the pregnane X receptor (PXR/NR1I2) gene with inflammatory bowel disease: parallel allelic association study and gene wide haplotype analysis. Issue 11 (17th October 2006) - Ho, G-T; Soranzo, N; Tate, S K; Drummond, H; Nimmo, E R; Tenesa, A; Arnott, I D; Satsangi, J