@article{chen_kang_hong_yao_2019,  title={Hypoglycemia caused by co-secretion of insulin from lung tumor and cardia cancer: first case report},  volume={137},  ISSN={1516-3180},  url={https://doi.org/10.1590/1516-3180.2017.0136060617},  DOI={10.1590/1516-3180.2017.0136060617},  number={1},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Chen, Yaning and Kang, Yi and Hong, Liu and Yao, Hebin},  year={2019},  month={Jan},  pages={100–103} }