two propionibacteria identified as propionibacterium acnes and propionibacterium granulosum were grown anaerobically in the presence of growth subinhibitory concentrations ( 0.25 and 0.5 minimal inhibitory concentrations ) of clindamycin , erythromycin , lincomycin , and tetracycline .
C0008947
clindamycin
C0023726
lincomycin