A Multi-institutional Validation Study of a New Prognostic Index (Graded Prognostic Assessment, GPA) for Patients with Brain Metastases
Sperduto P, Sneed P, Bhatt A, Schwer A, Fiveash J, Chiang V, Knisely J, Zhu Y, Gaspar L, Mehta M. A Multi-institutional Validation Study of a New Prognostic Index (Graded Prognostic Assessment, GPA) for Patients with Brain Metastases. International Journal Of Radiation Oncology • Biology • Physics 2008, 72: s51. DOI: 10.1016/j.ijrobp.2008.06.881.Peer-Reviewed Original Research