Xu, Hao, et al. “Clinical Efficacy of Automatic Ruiyun Procedure for Hemorrhoids and Procedure for Prolapse and Hemorrhoids in the Treatment of Mixed Hemorrhoids: A Comparative Study”. Annali Italiani Di Chirurgia, vol. 96, no. 2, Feb. 2025, pp. 205-12, doi:10.62713/aic.3746.