Altered PBP 2A and its role in the development of penicillin, cefotaxime, and ceftriaxone resistance in a clinical isolate of Streptococcus pneumoniae - Smith,A.M.; Feldman,C.; Massidda,O.; McCarthy,K.; Ndiweni,D.; Klugman,K.P. (Antimicrob Agents Chemother, 2005)