The activity of piperacillin against anaerobic bacilli.
D001421:Bacteria, Anaerobic / Q000187:drug effects*; D008795:Metronidazole / Q000494:pharmacology; D008826:Microbial Sensitivity Tests; D010878:Piperacillin / Q000494:pharmacology*
D008795:Metronidazole; D010878:Piperacillin