Mangel AW, Fehnel SE. End points in irritable bowel syndrome. Expert Rev Gastroenterol Hepatol. 2011 Jun 1;5(3):293-5.
Mangel AW, Williams VSL. Asimadoline in the treatment of irritable bowel syndrome. Expert Opin Investig Drugs. 2010 Oct 1;19(10):1257-64.