Palumbo, Antonio Schlag, R Khuageva, N Shpilberg, O Dimopoulos, M Kropff, M Spicka, I Petrucci, M Delforge, Michel Mateos, M others, PROLONGED THERAPY WITH BORTEZOMIB PLUSMELPHALAN-PREDNISONE (VMP) RESULTS IN IMPROVED QUALITYAND DURATION OF RESPONSE IN THE PHASE III VISTA STUDY INPREVIOUSLY UNTREATED MULTIPLE MYELOMA (MM), 2008,