No abstract available
MeSH terms
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Adolescent
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Child
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Child, Preschool
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Cross-Sectional Studies
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Germany
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Guideline Adherence / legislation & jurisprudence*
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Humans
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Infant
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National Health Programs / legislation & jurisprudence*
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Neoplasms / diagnosis
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Neoplasms / epidemiology
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Neoplasms / therapy*
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Quality Assurance, Health Care / legislation & jurisprudence*
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Registries
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Reimbursement Mechanisms / legislation & jurisprudence*