Rijksinstituut voor Volksgezondheid en Milieu A widening gap in general practice? Socio-economic differences in morbidity between 1975 and 2000 in the Netherlands | RIVM Jaar: 2005 A widening gap in general practice? Socio-economic differences in morbidity between 1975 and 2000 in the Netherlands | RIVM Bron: rivm.nl Download dossier (ZIP) · JSON