[Follow-up of anti-HBs levels in vaccinees with different initial values of anti-HBs after three doses of HB vaccine].
D000914:Antibodies, Viral / Q000032:analysis*; D005500:Follow-Up Studies; D006509:Hepatitis B / Q000517:prevention & control*; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D014611:Vaccination; D014761:Viral Hepatitis Vaccines / Q000008:administration & dosage*
D000914:Antibodies, Viral; D014761:Viral Hepatitis Vaccines