2[4]RattoC,Grillo E,Parello A,et al.Endoanal ultrasound-guided surgery for anal fistula.Endoscopyr,2005,37(8):722728 被引量:1
3[5]Koelbel G,Schmiedl U,Maier MC,et al.Diagnosis of fistulae and sinus tracts in patients with crohn disease:Value of MR imaging.A JR,1989,152:999 被引量:1