结肠次全切除术联合改良Duhamel术与单纯结肠次全切除术治疗重度功能性便秘的对比分析
결장차전절제술연합개량Duhamel술여단순결장차전절제술치료중도공능성편비적대비분석
Comparative analysis between subtotal colectomy combined with modified Duhamel procedure and simple subtotal colectomy for severe functional constipation
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