Live feed07:30:00·1712dPRReleasevia QuantisnowAtara Biotherapeutics Presents New Magnetization Transfer Ratio Imaging Data and Two-Year Clinical Data from the Open Label Extension of ATA188 for Progressive Multiple Sclerosis at ECTRIMS 2021ByQuantisnow·Wall Street's wire, on your screen.ATRA· Atara Biotherapeutics Inc.Health Care