title: Penicillin tolerance and bacterial endocarditis.
mesh_terms: D002648:Child; D004697:Endocarditis, Bacterial / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology* / Q000627:therapeutic use; D013290:Streptococcal Infections / Q000517:prevention & control*; D013291:Streptococcus / Q000187:drug effects*
chemical_list: D010406:Penicillins