改良双腔气囊导尿管在中低位直肠癌伴便秘患者灌肠中的应用
개량쌍강기낭도뇨관재중저위직장암반편비환자관장중적응용
Implication of Improved Double-cavity Balloon Catheter in Enema Patients of Middle-low Rectal Cancer and Constipation
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