术后早期肠外联合肠内营养支持治疗对老年胃癌患者的临床治疗效果
술후조기장외연합장내영양지지치료대노년위암환자적림상치료효과
Analysis on Clinical Efficacy of Early Postoperative Parenteral Nutrition Combined with Enteral Nutrition Support in the Treatment of Gastric Cancer in Old Patients
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