Metellus Philippe, Coulibaly Béma, Nanni Isabelle, Fina Frederic, Eudes Nathalie, Giorgi Roch, Barrie Marylin, Chinot Olivier, Fuentes Stephane, Dufour Henry, Ouafik L'Houcine, Figarella-Branger Dominique. Prognostic impact of O 6 -methylguanine-DNA methyltransferase silencing in patients with recurrent glioblastoma multiforme who undergo surgery and carmustine wafer implantation. Cancer. 2009;115(20):4783 - 4794.