Development and validation of a new disease severity index: the Inflammatory Bowel Disease Index (IBDEX)
Laith Alrubaiy, Phedra Dodds, Hayley Anne Hutchings, Ian Trevor Russell, Alan Watkins, John Gordon Williams
Frontline Gastroenterology Jul 2015, 6 (3) 161-168; DOI: 10.1136/flgastro-2014-100530
