1. VIPoma: mechanisms, clinical presentation, diagnosis and treatment;Abdullayeva;World Acad. Sci. J.,2019
2. PD-L1 expression in gastroenteropancreatic neuroendocrine neoplasms grade 3;Ali;PLoS One,2020
3. Circulating tumor cells: liquid biopsy of cancer;Alix-Panabières;Clin. Chem.,2013
4. Circulating tumor cell analysis: technical and statistical considerations for application to the clinic;Allan;J. Oncol.,2010
5. Pan-cancer analysis of the extent and consequences of intratumor heterogeneity;Andor;Nat. Med.,2016