Yousefi, M., Sharifi-Esfahani, M., Pourgholam-Amiji, N., Afshar, M., Sadeghi-Gandomani, H., Otroshi, O., & Salehiniya, H. (2018). Esophageal cancer in the world: incidence, mortality and risk factors. Biomedical Research and Therapy, 5(7), 2504-2517. https://doi.org/10.15419/bmrat.v5i7.460