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Evaluation of a Minimally Invasive Bipolar Coagulation System for the Treatment of Grade I and II Internal Hemorrhoids
作者单位:Univ Illinois, Inst Hlth Res & Policy, Chicago, IL 60612 USA[1]Univ Illinois, Div Colon & Rectal Surg, 840 S Wood St,Suite 518E CSB MC 958, Chicago, IL 60612 USA[2]