Maria Caffo, Lucia Merlo, Valeria Barresi, Ema Tot, and Gerardo Caruso. “Brain Metastases: State of the Art and Innovative Targeted Therapies”. Journal of Analytical Oncology, vol. 4, no. 3, June 2015, pp.  113-121, doi:10.6000/1927-7229.2015.04.03.4.