title: Some concern over instituting hepatitis B vaccine into babies' routine vaccination schedules.
mesh_terms: D006509:Hepatitis B / Q000517:prevention & control*; D006801:Humans; D007115:Immunization Schedule; D007231:Infant, Newborn; D014481:United States; D014761:Viral Hepatitis Vaccines / Q000592:standards*
chemical_list: D014761:Viral Hepatitis Vaccines