不留置胃管在腹腔镜结直肠癌手术中临床疗效的单盲对照研究
불류치위관재복강경결직장암수술중림상료효적단맹대조연구
A single-blind controlled study of the clinical curative effect for non-gas-trointestinal decompression in laparoscopic colorectal surgery
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