title: Quantitation of proteinuria in systemic lupus erythematosus by use of a random, spot urine collection.
mesh_terms: D003404:Creatinine / Q000032:analysis; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000652:urine*; D011507:Proteinuria / Q000378:metabolism*; D013048:Specimen Handling / Q000379:methods; D013997:Time Factors
chemical_list: D003404:Creatinine