Exhibit 10.21 SUBORDINATED LOAN NOTE $400,000,000 AS OF MAY 18, 1999 FOR VALUE RECEIVED, National Medical Care, Inc., a Delaware corporation ("NMC"), Lifechem, Inc., Bio-Medical Applications of Alabama, Inc., a Delaware corporation, Bio-Medical...Subordinated Loan Note • November 22nd, 1999 • Fresenius Medical Care Holdings Inc /Ny/ • Surgical & medical instruments & apparatus
