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[2] UNIV ALABAMA,SCH MED,DEPT MED,DIV CLIN IMMUNOL & RHEUMATOL,IMMUNOGENET PROGRAM,BIRMINGHAM,AL 35233
[3] UNIV ALABAMA,SCH MED,DEPT MICROBIOL,IMMUNOGENET PROGRAM,BIRMINGHAM,AL 35233
[4] UNIV ALABAMA,SCH MED,DEPT SURG,BIRMINGHAM,AL 35233