1. Maury M . La Paraplégie. Paris: Flammarion Médecine-Sciences, 1981: 394–401.
2. Carone R et al. Lo studio della manometria anorettale nel paziente paraplegico. Milan: Atti 3 Congresso Nazionale S.O.M.I.PAR., 1990: 211–213.
3. Burnstock G . Innervation of Bladder and Bowel. Neurobiology of Incontinence, (Ciba Foundation Symposium 151): 2–26. Chichester: Wiley, 1990.
4. Carone R, Vercelli D, Bertapelle P . Effects of cisapride on anorectal and vesicourethral function in spinal cord injured patients. Paraplegia 1992; 31: 125–127.