1. New trends in the operative management of urinary fistulae;Abbo;Sudan Medical Journal,1975
2. Les fistules vesico-vaginales Africaines;Barnaud;Medecine Tropicale,1980
3. Training traditional birth attendants;Brennan;Post Graduate Doctor,1989
4. Experiences in the treatment of 600 vaginal fistulae;Hamlin;Ethiopian Medical Journal,1966