Mangel AW, Fehnel SE. End points in irritable bowel syndrome. Expert Rev Gastroenterol Hepatol. 2011 Jun 1;5(3):293-5.
McKenna SP, Doward LC. Quality of life of children with atopic dermatitis and their families. Current Opinion Allergy Clin Immunol. 2008 Jun 1;8(3):228-31.