P., PATTARANUTAPORN., et al. “RADIOSURGERY BY X-KNIFE FOR RETROORBITAL METASTASIS FROM FIBROSARCOMA: A CASE REPORT”. The ASEAN Journal of Radiology, vol. 2, no. 2, Apr. 2023, pp. 115-8, https://asean-journal-radiology.org/index.php/ajr/article/view/322.