Igarashi, R., Irisawa, A., Shibukawa, G., Soeta, N., Sato, A., Yamabe, A., … Hojo, H. Case Report of a Small Gastric Neuroendocrine Tumor in a Deep Layer of Submucosa With Diagnosis by Endoscopic Ultrasound-Guided Fine-Needle Aspiration and Treatment With Laparoscopic and Endoscopic Cooperative Surgery. Clinical Medicine Insights. Case Reports, 11, 1179547617749226. https://doi.org/10.1177/1179547617749226 (Original work published 2018)