title: Group B streptococcus meningitis in an elderly woman.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008581:Meningitis / Q000188:drug therapy / Q000209:etiology*; D010400:Penicillin G / Q000627:therapeutic use; D013291:Streptococcus / Q000472:pathogenicity*
chemical_list: D010400:Penicillin G