分段外剥内扎结合四指扩肛术治疗环形Ⅲ Ⅳ期混合痔
분단외박내찰결합사지확항술치료배형Ⅲ Ⅳ기혼합치
Subsection External Dissection and Internal Ligation combined Four Fingers Anus Dilatation for Severe Ⅲ - Ⅳ° Circular Mixed Hemorrhoids
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