RT Journal Article SR Electronic T1 Indications for renal biopsy in chronic kidney disease JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 513 OP 517 DO 10.7861/clinmedicine.3-6-513 VO 3 IS 6 A1 Charles RV Tomson YR 2003 UL http://www.rcpjournals.org/content/3/6/513.abstract AB