Pelosi, Giuseppe, and William D. Travis. “The Ki-67 Antigen in the New 2021 World Health Organization Classification of Lung Neuroendocrine Neoplasms”. Pathologica - Journal of the Italian Society of Anatomic Pathology and Diagnostic Cytopathology 113, no. 5 (November 23, 2021): 377-387. Accessed July 16, 2024. https://www.pathologica.it/article/view/542.