老年人低位直肠癌前切除术后回肠置管造口与横结肠造口的对比研究
노년인저위직장암전절제술후회장치관조구여횡결장조구적대비연구
Comparison of ileum indwelling catheter neostomy and transverse colostomy for elderly patients with low rectal cancer after LAR
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