https://investor.ironwoodpharma.com/press-releases/press-release-details/2015/Ironwood-and-Allergan-Enter-Agreement-to-Co-Promote-VIBERZI-for-Irritable-Bowel-Syndrome-with-Diarrhea-IBS-D-in-the-US/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2015/Ironwood-and-Allergan-Enter-Agreement-to-Co-Promote-VIBERZI-for-Irritable-Bowel-Syndrome-with-Diarrhea-IBS-D-in-the-US/default.aspx