Bretthauer Michael, Helsingen Lise M, Kalager Mette, Vandvik Per-Olav, Agoritsas Thomas, Guyatt Gordon
Professor, Clinical Effectiveness Research Group, University of Oslo; Oslo University Hospital, Oslo, Norway.
Researcher, Clinical Effectiveness Research Group, University of Oslo; Oslo University Hospital, Oslo, Norway.
CMAJ. 2020 May 4;192(18):E484. doi: 10.1503/cmaj.74839.