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Association between physical exercise and psychosocial problems in 96 617 Dutch adolescents in secondary education: a cross-sectional study
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General practice consultation in childhood in The Netherlands: sociodemographic variation.
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Validity and accuracy of interview and diary data on children's medical utilisation in The Netherlands
General Practice Registration Networks in the Netherlands: A Brief Report
Antibiotic prescribing for respiratory tract infections in Dutch primary care in relation to patient age and clinical entities