title: Faulty antibiotic discs.
mesh_terms: D002981:Clindamycin / Q000494:pharmacology*; D004340:Drug Contamination; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D013211:Staphylococcus aureus / Q000187:drug effects*
chemical_list: D002981:Clindamycin