title: Tetracycline-resistant group A streptococci and pneumococci.
mesh_terms: D003470:Culture Media; D004318:Doxycycline / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D008690:Methacycline / Q000494:pharmacology; D008826:Microbial Sensitivity Tests; D013291:Streptococcus / Q000187:drug effects*; D013296:Streptococcus pneumoniae / Q000187:drug effects*; D013752:Tetracycline / Q000494:pharmacology*
chemical_list: D003470:Culture Media; D013752:Tetracycline; D008690:Methacycline; D004318:Doxycycline