Increased Seroreactivity to Glioma-Expressed Antigen 2 in Brain Tumor Patients under Radiation Heisel, Sabrina M. ; Ketter, Ralf ; Keller, Andreas ; Klein, Veronika ; Pallasch, Christian P. ; Lenhof, Hans-Peter ; Meese, Eckart Abstract Publication: PLoS ONE Pub Date: May 2008 DOI: 10.1371/journal.pone.0002164 Bibcode: 2008PLoSO...3.2164H