Rizwan, A.; Zia, Q.; Khurshid, A.; Sajjad, M.; Nawaz, M.; Akmal, M.; Kiani, F. O’CONOR (TRANSABDOMINAL) REPAIR: IS IT ALWAYS NECESSARY TO INTERPOSE A FLAP IN SIMPLE VESICO-VAGINAL FISTULA? A COMPARATIVE STUDY. PAFMJ 2021, 71, 347-50.