Kausto, J., Verbeek, J. H., Ruotsalainen, J. H., Halonen, J. I., Virta, L. J., & Kankaanpää, E. (2019). Self‐certification versus physician certification of sick leave for reducing sickness absence and associated costs. Cochrane Database Syst Rev.

Kausto, Johanna, Jos H. Verbeek, Jani H. Ruotsalainen, Jaana I. Halonen, Lauri J. Virta, and Eila Kankaanpää. "Self‐certification Versus Physician Certification of Sick Leave for Reducing Sickness Absence and Associated Costs." Cochrane Database Syst Rev 2019.

Kausto, Johanna, et al. "Self‐certification Versus Physician Certification of Sick Leave for Reducing Sickness Absence and Associated Costs." Cochrane Database Syst Rev 2019.