1. A new flexible fibercystoscope for visualisation of the bladder neck;TSUCHIDA, S.D.; SUGAWARA, H.;J Urol,1973
2. The flexible panendoscopy;BURCHARDT, P.;J Urol; 127: 479. Flexible and rigid check cystoscopy,1982
3. Flexible cystourethroscopy: Advantages and limitations;WEBB, D.R.; BUTLER, M.R.; FITZPATRICK, J.M.;Eur Urol,1984
4. Flexible fiberoptic and rigid-rod lens endoscopy of the lower urinary tract: A prospective controlled comparison;CLAYMAN, R.; PRATAP, R.; LANGE, P.H.;J Urol,1984
5. Does flexible cystoscopy miss more tumours than rod lens examination;WALKER, L.; LISTON, T.G.; LLOYD-DAVIES, R.W.;Br J Urol,1993