title: Minimal dose (1.25 micrograms) hepatitis B vaccine for infants and newborn babies, 4 years later.
mesh_terms: D002675:Child, Preschool; D006509:Hepatitis B / Q000517:prevention & control*; D017325:Hepatitis B Vaccines; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014761:Viral Hepatitis Vaccines / Q000008:administration & dosage*
chemical_list: D017325:Hepatitis B Vaccines; D014761:Viral Hepatitis Vaccines