https://investor.ironwoodpharma.com/press-releases/press-release-details/2014/Ironwood-Pharmaceuticals-Initiates-Phase-II-Clinical-Study-of-IW-3718-in-Refractory-Gastroesophageal-Reflux-Disease/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2014/Ironwood-Pharmaceuticals-Initiates-Phase-II-Clinical-Study-of-IW-3718-in-Refractory-Gastroesophageal-Reflux-Disease/default.aspx