Gonul, I. I. Et Al. 2007. Comparison of 1998 WHO/ISUP and 1973 WHO classifications for interobserver variability in grading of papillary urothelial neoplasms of the bladder: Pathological evaluation of 258 cases. Urologia Internationalis , vol.78, no.4 , 338-344.

Gonul, I. I., Poyraz, A., Unsal, C., Acar, C., & Alkibay, T., (2007). Comparison of 1998 WHO/ISUP and 1973 WHO classifications for interobserver variability in grading of papillary urothelial neoplasms of the bladder: Pathological evaluation of 258 cases. Urologia Internationalis , vol.78, no.4, 338-344.

Gonul, Ipek Et Al. "Comparison of 1998 WHO/ISUP and 1973 WHO classifications for interobserver variability in grading of papillary urothelial neoplasms of the bladder: Pathological evaluation of 258 cases," Urologia Internationalis , vol.78, no.4, 338-344, 2007

Gonul, Ipek I. Et Al. "Comparison of 1998 WHO/ISUP and 1973 WHO classifications for interobserver variability in grading of papillary urothelial neoplasms of the bladder: Pathological evaluation of 258 cases." Urologia Internationalis , vol.78, no.4, pp.338-344, 2007

Gonul, I. I. Et Al. (2007) . "Comparison of 1998 WHO/ISUP and 1973 WHO classifications for interobserver variability in grading of papillary urothelial neoplasms of the bladder: Pathological evaluation of 258 cases." Urologia Internationalis , vol.78, no.4, pp.338-344.

@article{article, author={Ipek Isik Gonul Et Al. }, title={Comparison of 1998 WHO/ISUP and 1973 WHO classifications for interobserver variability in grading of papillary urothelial neoplasms of the bladder: Pathological evaluation of 258 cases}, journal={Urologia Internationalis}, year=2007, pages={338-344} }