RT Journal Article SR Electronic T1 Orbital floor fracture JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E289 OP E289 DO 10.1503/cmaj.200657 VO 193 IS 8 A1 Christian El-Hadad A1 Jean DeschĂȘnes A1 Bryan Arthurs YR 2021 UL http://www.cmaj.ca/content/193/8/E289.abstract