Bukhari, M. H.; Coppoula, D.; Nasir, A. Clinicopathologic Analysis of Primary Gastroenteropancreatic Poorly Differentiated Neuroendocrine Carcinoma; A Ten Year Retrospective Study of 68 Cases at Moffit Cancer Center: Primary Gastroenteropancreatic Poorly Differentiated Neuroendocrine Carcinoma. Pak J Med Sci 2019, 36.