TY - JOUR AN - 2 AU - Chaiwatanarat,T. AU - Padhy,A.K. AU - Bomanji,J.B. TI - Validation of renal output efficiency as an objective quantitative parameter in the evaluation of upper urinary tract obstruction. JO - J Nucl Med PY - 1993 VL - 34 SP - 845-848 M2 - 845 ER -