https://investor.ironwoodpharma.com/press-releases/press-release-details/2020/Ironwood-to-Discontinue-IW-3718-Development-Program-Following-Results-from-Planned-Efficacy-Assessment/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2020/Ironwood-to-Discontinue-IW-3718-Development-Program-Following-Results-from-Planned-Efficacy-Assessment/default.aspx