Saber, Korosh, Nima Hamzian, and Farzan Madadizadeh. “COVID-19 Anxiety and Related Factors in Cancer Patients Undergoing External Radiation Therapy”. Asian Pacific Journal of Cancer Care 7, no. 3 (August 12, 2022): 451-458. Accessed May 21, 2024. http://www.waocp.com/journal/index.php/apjcc/article/view/874.