No abstract available
MeSH terms
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Bias
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Female
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Hospital Mortality
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Hospitals, University
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Humans
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Infant, Extremely Low Birth Weight
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Infant, Newborn
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Infant, Premature*
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Infant, Premature, Diseases / mortality
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Infant, Premature, Diseases / therapy
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Intensive Care, Neonatal / statistics & numerical data*
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Outcome Assessment, Health Care / statistics & numerical data*
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Pregnancy
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Pregnancy, High-Risk
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Quality Assurance, Health Care / statistics & numerical data*
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Risk Factors
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Survival Analysis