Crvenkova, S., and M. . Popova. “Acute Esophageal Damage in Patients With Inoperable Non-Small Cell Lung Cancer Treated With Concurrent and Sequential Chemoradiotherapy”. Open Access Macedonian Journal of Medical Sciences, vol. 8, no. B, May 2020, pp. 307-11, doi:10.3889/oamjms.2020.4281.