REFERENCES

Hyams JS, Ferry GD, Mandel FS, et al. Development and validation of a pediatric Crohn's disease activity index. J Pediatr Gastroenterol Nutr. 1991; 12: 439

Turner D, Griffiths AM, Walters TD et.al. Mathematical Weighting of the Pediatric Crohn's Disease Activity Index (PCDAI) and Comparison with Its Other Short Versions. Inflamm Bowel Dis 2012 Jan;18(1):55-62