No abstract available
MeSH terms
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Age Factors
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Birth Order
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Birth Weight
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Breast Feeding
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Death, Sudden*
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Female
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Genetic Diseases, Inborn / mortality
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Gestational Age
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Growth
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Humans
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Infant
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Infant Mortality*
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Infant Nutritional Physiological Phenomena
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Infant, Newborn
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Male
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Maternal Age
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Morbidity
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Northern Ireland
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Pregnancy
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Seasons
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Sex Factors
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Socioeconomic Factors
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Statistics as Topic
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Twins