Cheaper immunisation against hepatitis B: a follow-up report.
D002675:Child, Preschool; D005500:Follow-Up Studies; D006509:Hepatitis B / Q000276:immunology / Q000517:prevention & control*; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014611:Vaccination / Q000191:economics*; D014761:Viral Hepatitis Vaccines
D006511:Hepatitis B Antigens; D014761:Viral Hepatitis Vaccines