Chen Y, Kang Y, Yao H. Hypoglycemia caused by co-secretion of insulin from lung tumor and cardia cancer: first case report. Sao Paulo Med J [Internet]. 2019 Feb. 7 [cited 2025 Mar. 14];137(1):100-3. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/628