RT Journal Article SR Electronic T1 Surfer’s ear in a 29-year-old man JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E396 OP E396 DO 10.1503/cmaj.180753 VO 191 IS 14 A1 Aidan McParland A1 Frederique Elffers-Tan A1 Alun Ackery YR 2019 UL http://www.cmaj.ca/content/191/14/E396.abstract