to examine the natural history of proteinuria in progressive renal disease , urinary protein , absolute and factored for glomerular filtration rate ( gfr ; creatinine clearance ) , was determined at 10 ml/min decrements in gfr for patients with membranoproliferative glomerulonephritis , idiopathic membranous glomerulonephritis and focal glomerulosclerosis .
C0022646
renal
C0086445
idiopathic membranous