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Regional serum cholesterol differences in Belgium: do genetically determined cardiovascular risk factors contribute?
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Is delayed introduction of inhaled corticosteroids harmful in patients with obstructive airways disease (asthma and COPD)? The Dutch CNSLD Study Group. The Dutch Chronic Nonspecifi...
Effects of perinatal exposure to PCBs and dioxins on play behavior in Dutch children at school age
Impact of influenza on mortality in relation to age and underlying disease, 1967-1989
Prevalence and association between herpes simplex virus types 1 and 2-specific antibodies in attendees at a sexually transmitted disease clinic