Matthews CA, Whitehead WE, Townsend MK, Grodstein F. Risk factors for urinary, fecal or dual incontinence in the Nurses’ Health Study. Obstet Gynecol. 2013;122(3):539. Accessed August 2016.
Constipation and defecation Problems. American College of Gastroenterology. http://www.acg.gi.org/patients/gihealth/constipation.asp. Updated March 2016. Accessed August 2016.
Bowel problems. National Multiple Sclerosis Society. http://www.nationalmssociety.org/Symptoms-Diagnosis/MS-Symptoms/Bowel-Problems. Accessed August 2016.