Amgen vows to fight $7.1B tax bill tied to Puerto Rico manufacturing unit April 27, 2022 Los Angeles Biotechnology Network News Los Angeles Biotech News Comments Off on Amgen vows to fight $7.1B tax bill tied to Puerto Rico manufacturing unit Amgen vows to fight $7.1B tax bill tied to Puerto Rico manufacturing unit zbecker Wed, 04/27/2022 - 17:13 Click to view original post