Unstable drug resistance in Staphylococcus aureus M4.
D004917:Erythromycin / Q000494:pharmacology; D014644:Genetic Variation; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology; D013211:Staphylococcus aureus / Q000235:genetics*; D013307:Streptomycin / Q000494:pharmacology; D013752:Tetracycline / Q000494:pharmacology
D010406:Penicillins; D004917:Erythromycin; D013752:Tetracycline; D013307:Streptomycin