%0 Journal Article %T Malignant ureteral obstruction: experience and comparative analysis of metallic versus ordinary polymer ureteral stents %A Cheng-yi Liu %A De-gang Chen %A Ji-ci Ma %A Peng-cheng Xu %A Xin-huan Fan %A Yi-peng Xu %A Yue Chen %A Zhi-hong Zhang %J Archive of "World Journal of Surgical Oncology". %D 2019 %R 10.1186/s12957-019-1608-6 %X Patient characteristics of the two group %K Metallic stent %K Contrast study %K Malignant %K Ureteral obstruction %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6492337/