No abstract available
MeSH terms
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Animals
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Antibody Formation*
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Cephalosporins / adverse effects*
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Dermatitis, Contact / immunology*
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Drug Hypersensitivity / immunology*
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Guinea Pigs
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Hypersensitivity, Delayed / immunology
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Immunity, Cellular
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Male
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Penicillins / adverse effects*
Substances
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Cephalosporins
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Penicillins