title: [Preface].
authors.forename: Masafumi
authors.initials: M
authors.lastname: Fukagawa
mesh_terms: D015519:Bone Density; D001851:Bone Diseases, Metabolic / Q000209:etiology / Q000628:therapy; D006801:Humans; D051436:Renal Insufficiency, Chronic / Q000150:complications / Q000628:therapy