title: Letter: Minocycline and beta-haemolytic streptococci.
mesh_terms: D004352:Drug Resistance, Microbial; D008911:Minocycline / Q000494:pharmacology*; D013045:Species Specificity; D013291:Streptococcus / Q000187:drug effects*; D013752:Tetracycline / Q000494:pharmacology*
chemical_list: D013752:Tetracycline; D008911:Minocycline