RT Journal Article SR Electronic T1 On testing for proteinuria: Time for a methodical approach JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 493 OP 501 VO 70 IS 6 A1 Garabed Eknoyan YR 2003 UL http://www.ccjm.org/content/70/6/493.abstract AB