PT - JOURNAL ARTICLE AU - I. Middlemass TI - Cervicofacial emphysema DP - 1978 Sep 23 TA - Canadian Medical Association Journal PG - 564--564 VI - 119 IP - 6 4099 - http://www.cmaj.ca/content/119/6/564.short 4100 - http://www.cmaj.ca/content/119/6/564.full SO - CMAJ1978 Sep 23; 119