title: The Rm values of newer penicillins for investigating their spectrum of antibacterial activity.
mesh_terms: D000658:Amoxicillin / Q000494:pharmacology*; D000667:Ampicillin / Q000031:analogs & derivatives*; D003023:Cloxacillin / Q000031:analogs & derivatives*; D005436:Floxacillin / Q000494:pharmacology*; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D013211:Staphylococcus aureus / Q000187:drug effects*
chemical_list: D005436:Floxacillin; D000667:Ampicillin; D000658:Amoxicillin; D003023:Cloxacillin