https://investor.ironwoodpharma.com/press-releases/press-release-details/2016/Ironwood-and-Allergan-Report-Topline-Phase-IIb-Data-Supporting-Further-Investigation-of-Linaclotide-Colonic-Release-2-CR2-for-Abdominal-Pain-in-Non-Constipation-Subtypes-of-IBS/default.aspx