Standard di riferimento  
Bibliografia  
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  2. Evans DF, Lamont G, Stebling MK, Prolonged monitoring of the upper gastrointestinal tract using echo planar magnetic resonance imaging. Gut 1993;34:848-852

  3. Habib FI, Alvino A, Camastra CM: Defecografia e fistole retto-anali nelle malattia infiammatorie croniche intestinali. Medic 1995; 3: 187-191

  4. Habib FI, Corazziari E, Viscardi A. Badiali D. Torsoli. Role of body position, gender, and age on pelvic floor location and mobility. Dig Dis Sci 1992;37:500-505

  5. Goei R, Kemerink G. Radiation dose in defaecografhy. Radiology 1990;176:137-139