外剥内扎加部分内外括约肌侧切术治疗环状嵌顿痔的临床观察
외박내찰가부분내외괄약기측절술치료배상감돈치적림상관찰
Clinical Observation on Exteral Dissection Internal Ligation and Partial Incision of the Internal Sphincter and External Sphincter in the Treatment of Circumferential Incarcerated Hemorrhoid