2015

• Pedersen, Line; Fredheim, Olav Magnus. (2015) Opioids for chronic noncancer pain: Still no evidence for superiority of sustained-release opioids. Clinical Pharmacology and Therapeutics
  Vitenskapelig oversiktsartikkel/review

2014

• Pedersen, Line; Borchgrevink, Petter Chr.; Riphagen, Ingrid Ingeborg; Fredheim, Olav Magnus. (2014) Long- or short-acting opioids for chronic non-malignant pain? A qualitative systematic review. Acta Anaesthesiologica Scandinavica
  Vitenskapelig artikkel
• Pedersen, Line; Borchgrevink, Petter Chr.; Breivik, Harald; Fredheim, Olav Magnus. (2014) A randomized, double-blind, double-dummy comparison of short- and long-acting dihydrocodeine in chronic non-malignant pain. Pain
  Vitenskapelig artikkel

2012

• Pedersen, Line; Hansen, Anneli Borge; Svendsen, Kristian; Skurtveit, Svetlana; Borchgrevink, Petter Chr.; Fredheim, Olav Magnus. (2012) Analgetika med refusjon ved kroniske smerter. Tidsskrift for Den norske legeforening
  Vitenskapelig oversiktsartikkel/review