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目的比较儿童排尿膀胱尿道造影(VCUG)使用格栅控制可变率脉冲透视(GCPFL)和使用持续透视(CFL)两种方法的射线照射及有效剂量,并将之与放射核素膀胱显像
Objective To compare the radiographic and effective dosages of voided urinary bladder and urethroplasty (VCUG) using both GCPFL and CFL methods, and to compare them with radionuclide cystography