Tsao (2012). "International Practice Survey on the Management of Brain Metastases: Third International Consensus Workshop on Palliative Radiotherapy and Symptom Control". Clinical Oncology. 24 (6): e81-e92. doi:10.1016/j.clon.2012.03.008. PMID22794327.
Gildenberg (2006). "Evolution of Basal Ganglia Surgery for Movement Disorders". Stereotactic and Functional Neurosurgery. 84 (4). Karger Publishers. ss. 131-135. doi:10.1159/000094844.
Tsao (2012). "International Practice Survey on the Management of Brain Metastases: Third International Consensus Workshop on Palliative Radiotherapy and Symptom Control". Clinical Oncology. 24 (6): e81-e92. doi:10.1016/j.clon.2012.03.008. PMID22794327.