No abstract available
MeSH terms
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Accreditation*
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Adolescent
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Cardiac Care Facilities / standards*
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Cardiologists / standards*
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Cardiology*
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Certification*
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Child
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Child, Preschool
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Hospitals, Pediatric / standards
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Humans
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Infant
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Infant, Newborn
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Poland
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Societies, Medical*
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Workforce