Susceptibilities of penicillin- and erythromycin-susceptible and -resistant pneumococci to HMR 3647 (RU 66647), a new ketolide, compared with susceptibilities to 17 other agents - Pankuch,G.A.; Visalli,M.A.; Jacobs,M.R.; Appelbaum,P.C. (Antimicrob Agents Chemother, 1998)