4Hwang JY, Yoon HK, Kim WK, et al. Transperineal ultra- sonography for evaluation of the perianal fistula and abscess in pediatric Crohn disease: preliminary study[J]. Ultrasonogra- phy, 2014, 33 (3): 184-190. 被引量:1
5Plaikner M, Loizides A, Peer S, et al, Transperineal ultra- sonography as a complementary diagnostic tool in identifying a- cute perianal sepsis [J].Tech Coloproctol, 2014, 18 (2): 165-171. 被引量:1
6Kim MJ. Transreetal ultrasonography of anoreetal diseases: ad- vantages and disadvantages [J] . Ultrasonography, 2015, 34 (1) : 19-31. 被引量:1