title: Danish clinical quality databases - an important and untapped resource for clinical research.
authors.affiliation: Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus.
authors.forename: Henrik Toft
authors.initials: HT
authors.lastname: Sørensen
authors.affiliation: Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus.
authors.forename: Lars
authors.initials: L
authors.lastname: Pedersen
authors.affiliation: Danish Regions, Copenhagen, Denmark.
authors.forename: Jørgen
authors.initials: J
authors.lastname: Jørgensen
authors.affiliation: Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus.
authors.forename: Vera
authors.initials: V
authors.lastname: Ehrenstein