https://investor.ironwoodpharma.com/press-releases/press-release-details/2013/Constella-linaclotide-the-first-approved-prescription-therapy-in-a-new-class-of-treatments-for-adults-with-IBS-C-is-now-available-in-Europe/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2013/Constella-linaclotide-the-first-approved-prescription-therapy-in-a-new-class-of-treatments-for-adults-with-IBS-C-is-now-available-in-Europe/default.aspx