CYTODIAGNOSTIC URINALYSIS IN DIFFERENT TYPES OF ARF (Marcussen N et al. Renal Failure 1995; 17: 721-9) •A one-year prospective study on 51 patients with ARF due to: ATN 34 PRE-RENAL 8 ARF ON CRF 3 GN/MALIGNANT HT 3 OBSTRUCTION 3