Chunxiang Ling, Jizhen Feng, Jiamei Li, Qingwei Liu. Primary malignant melanoma of the esophagus. Turkish Journal of Gastroenterology [Internet]. 2019 Jul. 25 [cited 2025 Jul. 10];29(6):711-3. Available from: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/3617