1kelly DF,Richard Moxon E,Pollard AJ. Haemophilus influenzae type b conjugate vaccines. Immunology,2004,113:163-174.
2McVernon J,Andrews N ,Slack MP,et al. Risk of vaccine failure after Haemophilus influenzae type b(Hib)combination vaccines with acellular pertussis. Lancet ,2003,361:1521-1523.
3Makela PH,Kayhty H,Leino T,et al. Long-term persistence of immunity after immunisation with Haemophilus influenzae type b conjugate vaccine. Vaccine, 2003,22: 287-292.