Guyatt Gordon, Vandvik Per Olav
Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada.
Department of Medicine, Innlandet Hospital Trust, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Oslo, Norway; Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway.
Chest. 2013 Aug;144(2):365-367. doi: 10.1378/chest.13-0463.