Rijksinstituut voor Volksgezondheid en Milieu Placebo-controlled trial of house dust mite-impermeable mattress covers. Effect on symptoms in early childhood | RIVM Jaar: 2003 Placebo-controlled trial of house dust mite-impermeable mattress covers. Effect on symptoms in early childhood | RIVM Bron: rivm.nl Download dossier (ZIP) · JSON