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Germany
Infants
Newborn Infant
Cross-Sectional Studies
Risk Factors
Socioeconomic Factors
Health Surveys
Prevalence
Odds Ratio
Logistic Models
Age Factors
Sudden Infant Death
Snoring
Oximetry
Polysomnography
Case Control Studies
Vaccination
Questionnaires
Emigration and Immigration
Smoking
Co-Publications
19
13
9
7
6
5
4
3
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