Shi H, Chen L, Zhang Q, Lin Y, et al. Concordance Between the Ki-67 Index Cutoff Value of 55% and Differentiation in Neuroendocrine Tumor and Neuroendocrine Carcinoma in Grade 3 Pancreatic Neuroendocrine Neoplasms. Pancreas 2020;49:1378-1382.
PMID: 33122528