https://investor.ironwoodpharma.com/press-releases/press-release-details/2012/Ironwood-and-Forest-Announce-FDA-Has-Extended-the-Review-Period-for-Linaclotide-to-September-2012/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2012/Ironwood-and-Forest-Announce-FDA-Has-Extended-the-Review-Period-for-Linaclotide-to-September-2012/default.aspx