Universal hepatitis B immunization. A policy challenge.
Clay
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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
D017325:Hepatitis B Vaccines