B 超和 X 线定位经皮肾镜治疗上尿路结石的临床疗效对比研究
B 초화 X 선정위경피신경치료상뇨로결석적림상료효대비연구
Co mparative study on cli nical therapeutic effect of B ultrasound and X-ray locati ng percutaneous nephrolithoto my for treat ment of upper uri nary tract calculi
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