6Schiotz HA. Antiseptic catheter gel and urinary tract infection after shortterm postoperative catheterization in women. Arch Gynecol Obstet, 1996,258(2)t 97-100.
7Wiley Mj, Tran TA. Perioperative urinary eatheterization in conjunction with epidural anaesthesia for hip and knee arthroplasty. Is it safe?. Int J Surg Investig. 1999,1(2):157-160.