the in vitro susceptibilities of two clinical isolates of chlamydia pneumoniae from brooklyn , n.y. , were determined for tetracycline , erythromycin , sulfamethoxazole , ciprofloxacin , and three new macrolides -- azithromycin , clarithromycin , and roxithromycin .
C0014806
erythromycin
C0055856
clarithromycin