Van Damme, Pierre; Van Herck, Koen (2007-03-01). "A review of the long-term protection after hepatitis A and B vaccination". Travel Medicine and Infectious Disease. 1st International Conference of Travel Medicine and Infectious Disease1st International Conference of Travel Medicine and Infectious Disease. 5 (2): 79–84. doi:10.1016/j.tmaid.2006.04.004. PMID17298912.
Leuridan, Elke; Damme, Pierre Van (2011-07-01). "Hepatitis B and the Need for a Booster Dose". Clinical Infectious Diseases (dalam bahasa Inggris). 53 (1): 68–75. doi:10.1093/cid/cir270. ISSN1058-4838. PMID21653306.
Tetanus: Prevention, Mayo Clinic, 2006-09-21, diarsipkan dari versi asli tanggal 2008-06-24, diakses tanggal 2008-07-17Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
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Van Damme, Pierre; Van Herck, Koen (2007-03-01). "A review of the long-term protection after hepatitis A and B vaccination". Travel Medicine and Infectious Disease. 1st International Conference of Travel Medicine and Infectious Disease1st International Conference of Travel Medicine and Infectious Disease. 5 (2): 79–84. doi:10.1016/j.tmaid.2006.04.004. PMID17298912.
Leuridan, Elke; Damme, Pierre Van (2011-07-01). "Hepatitis B and the Need for a Booster Dose". Clinical Infectious Diseases (dalam bahasa Inggris). 53 (1): 68–75. doi:10.1093/cid/cir270. ISSN1058-4838. PMID21653306.
Committee, Institute of Medicine (US) Vaccine Safety; Stratton, Kathleen R.; Howe, Cynthia J.; Richard B. Johnston, Jr (1994-01-01). "Immunologic Reactions" (dalam bahasa Inggris). National Academies Press (US).
Charles A Janeway, Jr; Travers, Paul; Walport, Mark; Shlomchik, Mark J. (2001-01-01). "Immunological memory" (dalam bahasa Inggris).
Tetanus: Prevention, Mayo Clinic, 2006-09-21, diarsipkan dari versi asli tanggal 2008-06-24, diakses tanggal 2008-07-17Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Leuridan, Elke; Damme, Pierre Van (2011-07-01). "Hepatitis B and the Need for a Booster Dose". Clinical Infectious Diseases (dalam bahasa Inggris). 53 (1): 68–75. doi:10.1093/cid/cir270. ISSN1058-4838. PMID21653306.