No abstract available
MeSH terms
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Humans
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Hypothyroidism* / blood
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Hypothyroidism* / diagnosis
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Hypothyroidism* / drug therapy
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Hypothyroidism* / mortality
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Infant, Newborn
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Infant, Premature*
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Risk Factors
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Thyroid Gland / metabolism
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Thyroid Gland / physiology
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Thyrotropin / blood*
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Thyroxine / therapeutic use*