Current Opinion in Immunology
Current Opinion in Immunology > 1999 > 11 > 4 > 392-399
Current Opinion in Immunology > 1999 > 11 > 4 > 406-411
Current Opinion in Immunology > 1999 > 11 > 4 > 451-459
Current Opinion in Immunology > 1999 > 11 > 4 > 431-434
Current Opinion in Immunology > 2002 > 14 > 2 > 165-171