No abstract available
MeSH terms
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Child
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Chorionic Gonadotropin, beta Subunit, Human / metabolism*
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Humans
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Male
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Mediastinal Neoplasms / complications*
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Mediastinal Neoplasms / metabolism
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Puberty, Precocious / etiology*
Substances
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Chorionic Gonadotropin, beta Subunit, Human