| united states resistance surveillance results for linezolid (leader program for 2007). | the leader program (2007) monitors for emerging linezolid resistance in sampled us medical centers, initiated in 2004. for the current reported year, the number of sites participating was increased from 50 to 60 institutions representing all 9 us census regions with 100 target organisms per site (6305 isolates, 105.1% compliance to protocol design). the organisms tested by reference broth microdilution methods were staphylococcus aureus (3318), coagulase negative staphylococci (cons, 1020), ente ... | 2008 | 19022153 |