title: Value of exfoliative urinary cytology for differentiation between uric acid stone and tumor of upper urinary tract.
mesh_terms: D003581:Cytodiagnosis; D005189:False Positive Reactions; D006801:Humans; D007669:Kidney Calculi / Q000175:diagnosis*; D007680:Kidney Neoplasms / Q000175:diagnosis*; D014516:Ureteral Neoplasms / Q000175:diagnosis*; D014556:Urine / Q000166:cytology