title: Epidemiological twin research in Belgium: a pilot study.
authors.affiliation: Epidemiology and Community Medicine, University of Antwerp, Belgium.
authors.forename: W J
authors.initials: WJ
authors.lastname: Eylenbosch
authors.forename: J C
authors.initials: JC
authors.lastname: Van der Auwera
mesh_terms: D000328:Adult; D000368:Aged; D001530:Belgium; D005240:Feasibility Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010865:Pilot Projects; D012042:Registries; D011795:Surveys and Questionnaires; D014427:Twins / Q000706:statistics & numerical data*; D014429:Twins, Dizygotic / Q000706:statistics & numerical data; D014430:Twins, Monozygotic / Q000706:statistics & numerical data