Yamamoto, Manabu, Hiroko Yano, Yukiko Kosai-Fujimoto, Naoya Kubokura, Hiroyuki Kobayashi, Masafumi Ohya, Masazumi Tuneyoshi, and Tetsuhide Ito. 2020. “Successful Laparoscopic and Endoscopic Cooperative Surgery for a Duodenal Neuroendocrine Tumor: A Case Report”. Archives of Clinical and Medical Case Reports 4 (5):845-52. https://fortunejournals.org/ojs/index.php/acmcr/article/view/22389.