title: Immunization system in Japan: its history and present situation.
authors.forename: M
authors.initials: M
authors.lastname: Kimura
authors.forename: H
authors.initials: H
authors.lastname: Kuno-Sakai
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007114:Immunization / Q000639:trends*; D007223:Infant; D007564:Japan