title: Classification of chronic kidney disease: a step forward.
authors.forename: Andrew S
authors.initials: AS
authors.lastname: Levey
authors.forename: Navdeep
authors.initials: N
authors.lastname: Tangri
authors.forename: Lesley A
authors.initials: LA
authors.lastname: Stevens
mesh_terms: D000419:Albuminuria; D005919:Glomerular Filtration Rate; D006801:Humans; D011379:Prognosis; D011507:Proteinuria; D051436:Renal Insufficiency, Chronic / Q000145:classification* / Q000175:diagnosis / Q000652:urine; D018570:Risk Assessment