The safety and efficacy of stereotactic radiosurgery in patients with gastrointestinal cancer brain metastasis: a systematic review and meta-analysis - Habibi, Mohammad Amin; Babaei, Hedye; Tavani, Sahar Fathi; Delbari, Pouria; Allahdadi, Ali; Rashidi, Farhang; Shahir Eftekhar, Mohammad; Hajikarimloo, Bardia; Sheehan, Jason P. (Neurosurgical Review, 2024)