• Nordic health registry-based research: A review of health care systems and key registries 

      Laugesen, Kristina; Ludvigsson, Jonas F.; Schmidt, Morten; Gissler, Mika; Valdimarsdottir, Unnur; Lunde, Astrid; Sørensen, Henrik Toft (Journal article; Peer reviewed, 2021)
      The Nordic countries are Denmark, Finland, Iceland, Norway, and Sweden and comprise a total population of approximately 27 million. The countries provide unique opportunities for joint health registry-based research in ...