RT Journal Article SR Electronic T1 Guideline groups should make recommendations even if the evidence is considered insufficient JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E23 OP E24 DO 10.1503/cmaj.190144 VO 192 IS 2 A1 Neumann, Ignacio A1 Schünemann, Holger J. YR 2020 UL http://www.cmaj.ca/content/192/2/E23.abstract