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Denmark
Registries
Cohort Studies
Proportional Hazards Models
Risk Factors
Incidence
Prevalence
Likelihood Functions
Longitudinal Studies
Autistic Disorder
Child Development Disorders, Pervasive
Prenatal Exposure Delayed Effects
Tourette's Syndrome
Infants
Pregnancy
Birth Weight
Hospitalization
Mass Screening
Permanent Dentition
Family Practice
Co-Publications
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