title: Lupus nephritis: Is it time for the 12 h urine collection?
authors.forename: Peter
authors.initials: P
authors.lastname: Topham
mesh_terms: D002940:Circadian Rhythm; D006801:Humans; D008181:Lupus Nephritis / Q000652:urine*; D011446:Prospective Studies; D011507:Proteinuria / Q000652:urine*; D013997:Time Factors