RT Journal Article SR Electronic T1 Subglottic airway foreign body in an 18-month-old girl JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1351 OP E1351 DO 10.1503/cmaj.220544 VO 194 IS 39 A1 Gu, Haoxiang A1 Vinturache, Angela A1 Ding, Guodong YR 2022 UL http://www.cmaj.ca/content/194/39/E1351.abstract