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Letter to the Editor

Validity must be discussed

References

  • Shutzberg M. Unsanctioned techniques for having sickness certificates accepted: a qualitative exploration and description of the strategies used by Swedish general practitioners. Scand J Prim Health Care. 2019:37(1):10–17.
  • World Health Organisation. International Classification of Functioning, Disability and Health (ICF): World Health Organisation; 2019 [updated 2018 Mar 2]. Available from: http://www.who.int/classifications/icf/en/.
  • Statens offentliga utredningar [Swedish Official Government Reports]. Gränslandet mellan sjukdom och arbete. Stockholm: Fritzes offentliga publikationer; 2009.

References

  • Shutzberg M. Unsanctioned techniques for having sickness certificates accepted: a qualitative exploration and description of the strategies used by Swedish general practitioners. Scand J Prim Health Care. 2019;37(1):10–17.
  • Brecht B, Grimm R. Poetry and prose. New York (NY): Continuum; 2003.