https://investor.ironwoodpharma.com/press-releases/press-release-details/2011/Ironwood-and-Protagonist-Establish-Collaboration-for-Peptide-Drug-Discovery-and-Development/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2011/Ironwood-and-Protagonist-Establish-Collaboration-for-Peptide-Drug-Discovery-and-Development/default.aspx