EXHIBIT 10.28 FIRST AMENDMENT TO LEASE THE FIRST AMENDMENT TO LEASE (this "FIRST AMENDMENT") is made as of the 17th day of November, 1998, by and between BIOLEASE, INC., a Massachusetts corporation ("Landlord") and BIOTRANSPLANT INCORPORATED, a...Lease • March 29th, 2000 • Biotransplant Inc • Pharmaceutical preparations
