PMID: 21987299
Krupoves A, Mack D, Seidman E, Deslandres C, Amre DAssociations between variants in the ABCB1 (MDR1) gene and corticosteroid dependence in children with Crohn's disease.
Inflamm Bowel Dis. 2011 Nov;17(11):2308-17. doi: 10.1002/ibd.21608. Epub 2011 Jan 6., [PubMed]