Madakshira, MGRadotra, BDSingh, V2020-04-102020-04-102019-06Madakshira MG, Radotra BD, Singh V. Signet ring: A rare morphology of metastatic neuroendocrine tumor. Indian Journal of Pathology and Microbiology. 2019 Jun; 62(2): 335-3360377-49290974-5130http://imsear.searo.who.int/handle/123456789/196352Journal ArticleIndiaDepartment of Histopathology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India