Antibiotic-resistant streptococci.
D000900:Anti-Bacterial Agents / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D004697:Endocarditis, Bacterial / Q000517:prevention & control; D006801:Humans; D013291:Streptococcus / Q000187:drug effects*; D013752:Tetracycline / Q000494:pharmacology; D014081:Tooth Extraction / Q000009:adverse effects
D000900:Anti-Bacterial Agents; D013752:Tetracycline