title: ["Unkei" in Heisei period].
authors.forename: K
authors.initials: K
authors.lastname: Nihei
mesh_terms: D002648:Child; D006801:Humans; D007564:Japan; D009422:Nervous System Diseases / Q000175:diagnosis; D009462:Neurology / Q000639:trends*; D010372:Pediatrics / Q000639:trends*