In vitro activities of cethromycin (ABT-773), a new ketolide, against Streptococcus pneumoniae strains that are not susceptible to penicillin or macrolides - Mason,E.O.; Lamberth,L.B.; Wald,E.R.; Bradley,J.S.; Barson,W.J.; Kaplan,S.L. (Antimicrob Agents Chemother, 2003)