https://investor.ironwoodpharma.com/press-releases/press-release-details/2015/Ironwood-Progresses-sGC-Stimulator-Platform-with-Positive-Top-Line-Phase-I-Data-on-IW-1973/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2015/Ironwood-Progresses-sGC-Stimulator-Platform-with-Positive-Top-Line-Phase-I-Data-on-IW-1973/default.aspx