title: Paradoxical effect of mecillinam on Providencia stuartii.
mesh_terms: D000560:Amdinocillin / Q000494:pharmacology*; D006801:Humans; D008826:Microbial Sensitivity Tests; D010397:Penicillanic Acid / Q000494:pharmacology*; D011511:Proteus / Q000187:drug effects*; D011532:Providencia / Q000187:drug effects*; D014552:Urinary Tract Infections / Q000382:microbiology
chemical_list: D010397:Penicillanic Acid; D000560:Amdinocillin