• Health services research: why and how? 

      Hjort, Peter Fredrik (Journal article; Peer reviewed, 1976)
      It is useful to divide medical research into three areas: biomedical, clinical, and health services research. The areas partly overlap, and health services research is also related to social services research. Research is ...
    • Medical education, care, and research in Norway 

      Hjort, Peter Fredrik; Skoie, Hans (Journal article; Peer reviewed, 1973)