ÖZER KESKİN, M. ., Özgür Ömer YILDIZ, K. İNAN, and E. AKSAKAL. “AN INVESTIGATION OF PERCEIVED STRESS LEVEL OF PHYSICIANS IN THE FIELD OF THORACIC SURGERY BEFORE AND DURING THE COVID-19 PANDEMIA IN TERMS OF SOME VARIABLES”. EJONS INTERNATIONAL JOURNAL, vol. 4, no. 15, Sept. 2020, pp. 770-84, doi:10.38063/ejons.334.