1. Systematic review and two new cases of primary upper urinary tract neuroendocrine carcinomas
   Takehiko Nakasato et al, 2018, Cancer Treatment and Research Communications CrossRef
2. Incidental finding of a small cell neuroendocrine carcinoma of the ureter
   Obinna Obi-Njoku et al, 2019, BMJ Case Reports CrossRef
3. Primary small cell carcinoma of the ureter
   Fabiola Farci et al, 2018, Medicine CrossRef
4. Ureteral small cell neuroendocrine carcinoma: A case report and short review
   Wahjoe Djatisoesanto et al, 2023, International Journal of Surgery Case Reports CrossRef
5. Clinicopathologic features of the ureteral neuroendocrine tumors
   Han Wang et al, 2020, Pathology - Research and Practice CrossRef
6. Successful management of small cell neuroendocrine carcinoma of the ureter with neoadjuvant chemotherapy and adjuvant chemoradiation: case report and literature review
   Mudasir Farooq et al, 2021, BMJ Case Reports CrossRef
7. Hyperprogression After Immunotherapy for Primary Small Cell Neuroendocrine Carcinoma of the Ureter: A Case Report
   Defeng Qing et al, 2021, Frontiers in Oncology CrossRef