Hanna, Samir Abdallah Frameless Image-Guided Radiosurgery for Multiple Brain Metastasis Using VMAT: A Review and an Institutional Experience. [electronic resource] - Frontiers in oncology 2019 - 703 p. digital Publication Type: Journal Article; Review ISSN: 2234-943X Standard No.: 10.3389/fonc.2019.00703 doi