Journal of Clinical Ultrasound · 2002 · 60 citations · 13 references
Contrast-enhanced AES appears to be superior to non-contrast AES in the preoperative assessment of anal and anovaginal fistulas and in demonstrating and locating their internal openings.
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A classification of fistula-in-ano
A G Parks, J D Hardcastle · British journal of surgery · 1976 · 1.6K citations
Magnetic resonance imaging of fistula-in-ano
Peter J. Lunniss, Peter Barker, Abdul H. Sultan et al. · Diseases of the Colon & Rectum · 1994 · 210 citations