title: [Health survey of households by National Research Program 8: results of the preliminary tests].
mesh_terms: D006306:Health Surveys; D006801:Humans; D011795:Surveys and Questionnaires; D013557:Switzerland
vernacular_title: Die Haushaltsbefragung über Gesundheit im Nationalen Forschungsprogramm 8: Ergebnisse des Vortests.