Hepatitis B vaccination.
D006509:Hepatitis B / Q000517:prevention & control*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D014611:Vaccination; D014761:Viral Hepatitis Vaccines / Q000008:administration & dosage*
D006514:Hepatitis B Surface Antigens; D014761:Viral Hepatitis Vaccines