https://investor.ironwoodpharma.com/press-releases/press-release-details/2011/Ironwood-Announces-Linaclotide-European-Regulatory-Submission-for-the-Treatment-of-Irritable-Bowel-Syndrome-with-Constipation/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2011/Ironwood-Announces-Linaclotide-European-Regulatory-Submission-for-the-Treatment-of-Irritable-Bowel-Syndrome-with-Constipation/default.aspx