title: Piperacillin + tazobactam: fixed ratio versus fixed concentration synergism studies.
authors.affiliation: Department of Medical Microbiology and Immunology, Ruhr-University Bochum, FRG.
authors.forename: W
authors.initials: W
authors.lastname: Cullmann
authors.forename: M
authors.initials: M
authors.lastname: Stieglitz
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001419:Bacteria / Q000187:drug effects* / Q000302:isolation & purification; D004338:Drug Combinations; D004357:Drug Synergism; D006801:Humans; D008826:Microbial Sensitivity Tests; D010878:Piperacillin / Q000494:pharmacology*; D013211:Staphylococcus aureus / Q000187:drug effects*; D047090:beta-Lactams / Q000494:pharmacology*
chemical_list: D000900:Anti-Bacterial Agents; D004338:Drug Combinations; D047090:beta-Lactams; D010878:Piperacillin