1. Robbins SL (1977) Le basi patologiche delle malattie, 1st edn. Piccin editore, Padova
2. Harrison TR (1999) Principi di medicina interna, 14th edn. Mc Graw-Hill, Milano
3. Gore RM, Levine MS, Laufer I (1994) Textbook of Gastrointestinal Radiology, 1st edn. WB Saunders Company, Philadelphia
4. Piloni V, Genovesi N, Grassi R et al (1993) “Working team report” nazionale sulla defecografia. Radiol Med 85:784–793
5. Jorge JM, Habr-Gama A, Wexner SD (2001) Clinical applications and techniques of cinedefecography. Am J Surg 182:93–101