1. Evolution of endoscopic surgery;Gunning,1991
2. A flexible fiberscope, using static scanning;Hopkins;Nature,1954
3. The direct examination of the female bladder with elevated pelvis: the catheterization of the ureters under direct inspection, with and without elevation of the pelvis;Kelly;Am J Obstet Dis Women Child,1894
4. Indirect air cystoscopy;Ridley;South Med J,1951
5. Office cystoscopy: substituting the culdoscope for the Kelly cystoscope;Robertson;Obstet Gynecol,1966