21. Sinclair's fistula had changed the way the fluid was being distributed. 22. In severe cases, it causes blockage of the intestines and creates fistulas . 23. Dr . Abdullah Kannan, a gynecologist in Khartoum, said of fistula . 24. For each death, many more women suffer permanent injuries such as fistula . 25. She writes that Sickert as a child had three operations for a fistula . 26. Doctors said they are considering performing minor surgery to deal with the fistula . 27. This also can prolong fistula life and help prevent damage to the fistula. 28. This also can prolong fistula life and help prevent damage to the fistula . 29. In tracheo-esophageal fistula it runs between the trachea and the esophagus. 30. However, Cornwell provides little evidence for either the fistula or the surgery.
