No abstract available
MeSH terms
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Endocarditis, Bacterial / drug therapy
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Endocarditis, Bacterial / microbiology*
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Heart Valve Prosthesis / adverse effects*
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Humans
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Male
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Middle Aged
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Penicillin Resistance*
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Prosthesis-Related Infections / drug therapy
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Prosthesis-Related Infections / microbiology*
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Streptococcal Infections / microbiology*
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Substance Abuse, Intravenous