1. Sickness absence adjusted for seasonal and influenza variations (self- and doctor certified) in the 1st quarter of 2018: Statistics Norway; 2018 [updated 13 th June. Available from:
https://www.ssb.no/en/arbeid-og-lonn/statistikker/sykefratot/kvartal
.
2. Organisation for Economic Co-operation and Development. Sickness, Disability and Work: breaking the barriers. A synthesis of findings across OECD countries: OECD Publishing; 2010.
3. Brage S, Bragstad T, Sorbo J. Where are the sick- listed going? Arbeid og velferd. 2014;14(2):116–27.
4. Wynne-Jones G, Mallen CD, Main CJ, Dunn KM. What do GPs feel about sickness certification? A systematic search and narrative review. Scand J Prim Health Care. 2010;28(2):67–75.
5. Aamland A, Maeland S. primary care physicians’ attitudes to and experiences with sick leave and follow-up. A scoping review. Tidsskr Velferdsforskn. 2016;19(2):148–78.