Rijksinstituut voor Volksgezondheid en Milieu Effects of hospital delivery during off-hours on perinatal outcome in several subgroups: a retrospective cohort study | RIVM Jaar: 2013 Effects of hospital delivery during off-hours on perinatal outcome in several subgroups: a retrospective cohort study | RIVM Bron: rivm.nl Download dossier (ZIP) · JSON