A. Subramaniam, D. Gnanasekaran, S. Suruliraj, and P. Chinnusamy, Trans., “Primary neuroendocrine carcinoma of the breast: A rare entity”, Indian J Case Reports, vol. 6, no. 1, pp. 33–34, Jan. 2020, doi: 10.32677/IJCR.2020.v06.i01.011.