Ali, MD M, Kahaleh, MD M, Zhou, MD, PhD* Z. Mixed High-Grade Neuroendocrine Carcinoma with Villous Adenoma in the Duodenum: A First Case Report. N A J Med Sci [Internet]. 2021 Jun. 6 [cited 2026 May 12];14(1). Available from: https://najms.com/index.php/najms/article/view/544