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Sample substitution can be an acceptable data-collection strategy : the case of the Belgian Health Interview Survey
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Measurement agreement of the selfadministered questionnaire of the Belgian Health Interview Survey : paper-and-pencil versus web-based mode
The Belgian health examination survey: objectives, design and methods
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Belgian population norms for the EQ-5D-5L, 2018
Time trends in the use of field-substitution in the Belgian health interview survey
Association between SARS-CoV-2 variants and post COVID-19 condition : findings from a longitudinal cohort study in the Belgian adult population
Post COVID-19 condition and health-related quality of life : a longitudinal cohort study in the Belgian adult population
Methodological basics and evolution of the Belgian health interview survey 1997-2008
The genetic structure of the Belgian population
Post COVID-19 condition and health-related quality of life: a longitudinal cohort study in the Belgian adult population