Activities of RPR 106972 (a new oral streptogramin), cefditoren (a new oral cephalosporin), two new oxazolidinones (U-100592 and U-100766), and other oral and parenteral agents against 203 penicillin-susceptible and -resistant pneumococci - Spangler,S.K.; Jacobs,M.R.; Appelbaum,P.C. (Antimicrob Agents Chemother, 1996)