[ 9 ] Toyonaga T, Matsushima M, Sogawa N, et al. Postoperative urinary retention after surgery for benign anorectal disease: potential risk factors and strategy for prevention[J]. Int J Colorectal Dis, 2006, 21(7): 676-682.
Kanellos I, Zacharakis E, Christoforidis E, et al. Usefulness of lateral internal sphincterotomy in reducing postoperative pain after open hemorrhoidectomy[J]. World J Surg, 2005, 29(4): 464-468.
[16]
Diana G, Guercio G, Cudia B, et al. Internal sphincterotomy reduces postoperative pain after Milligan Morgan haemorrhoidectomy[J]. BMC Surg, 2009, 9(9): 16.