title: Long-term protection of hepatitis B vaccine: lessons from Alaskan experience after 15 years.
authors.forename: Ding-Shinn
authors.initials: DS
authors.lastname: Chen
mesh_terms: D000914:Antibodies, Viral / Q000097:blood*; D006509:Hepatitis B / Q000517:prevention & control*; D006514:Hepatitis B Surface Antigens / Q000276:immunology*; D017325:Hepatitis B Vaccines / Q000276:immunology*; D006801:Humans; D014611:Vaccination
chemical_list: D000914:Antibodies, Viral; D006514:Hepatitis B Surface Antigens; D017325:Hepatitis B Vaccines