https://investor.ironwoodpharma.com/press-releases/press-release-details/2012/Constella-linaclotide-Approved-in-Europe-for-the-Treatment-of-Irritable-Bowel-Syndrome-with-Constipation-IBS-C-in-Adults/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2012/Constella-linaclotide-Approved-in-Europe-for-the-Treatment-of-Irritable-Bowel-Syndrome-with-Constipation-IBS-C-in-Adults/default.aspx