title: The in-vitro activity of combinations of penicillin and gentamicin against penicillin-resistant and penicillin-sensitive Streptococcus pneumoniae.
mesh_terms: D004357:Drug Synergism; D005839:Gentamicins / Q000494:pharmacology*; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology*; D013296:Streptococcus pneumoniae / Q000187:drug effects*
chemical_list: D005839:Gentamicins; D010406:Penicillins