title: Universal hepatitis B immunization. A policy challenge.
authors.forename: L S
authors.initials: LS
authors.lastname: Clay
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006291:Health Policy; D006509:Hepatitis B / Q000453:epidemiology / Q000517:prevention & control*; D017325:Hepatitis B Vaccines; D006801:Humans; D007114:Immunization; D007223:Infant; D007231:Infant, Newborn; D010372:Pediatrics; D012955:Societies, Medical
chemical_list: D017325:Hepatitis B Vaccines