https://investor.ironwoodpharma.com/press-releases/press-release-details/2021/Ironwood-Pharmaceuticals-Announces-FDA-Approval-of-Revised-LINZESS-linaclotide-Label/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2021/Ironwood-Pharmaceuticals-Announces-FDA-Approval-of-Revised-LINZESS-linaclotide-Label/default.aspx