title: In vitro activity of extended-spectrum cephalosporins against Streptococcus pneumoniae strains with reduced susceptibility to penicillin isolated from patients in Portugal between 1995 and 2000.
mesh_terms: D002511:Cephalosporins / Q000494:pharmacology*; D024881:Drug Resistance, Bacterial / Q000235:genetics*; D006801:Humans; D010406:Penicillins / Q000494:pharmacology*; D011008:Pneumococcal Infections / Q000453:epidemiology / Q000382:microbiology; D011174:Portugal / Q000453:epidemiology; D013296:Streptococcus pneumoniae / Q000187:drug effects* / Q000302:isolation & purification
chemical_list: D002511:Cephalosporins; D010406:Penicillins