https://investor.ironwoodpharma.com/press-releases/press-release-details/2011/Ironwood-and-Forest-to-Present-Linaclotide-Results-from-Phase-2B-and-Phase-3-Trials-in-Patients-with-Irritable-Bowel-Syndrome-with-Constipation-or-Chronic-Constipation/default.aspx