https://investor.ironwoodpharma.com/press-releases/press-release-details/2015/Allergan-Acquires-Rights-To-Ironwoods-CONSTELLA-Linaclotide-From-Almirall-In-More-Than-40-Countries/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2015/Allergan-Acquires-Rights-To-Ironwoods-CONSTELLA-Linaclotide-From-Almirall-In-More-Than-40-Countries/default.aspx