结肠内支架置入联合腹腔镜手术治疗急性左半结肠恶性梗阻的临床研究
결장내지가치입연합복강경수술치료급성좌반결장악성경조적림상연구
Clinical research on colonic stent insertion combined with laparoscopic operation in the treatment for acute left colonic obstruction
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