PT - JOURNAL ARTICLE AU - Christopher Mason TI - Listeriosis probe identifies multiple deficiencies AID - 10.1503/cmaj.109-3001 DP - 2009 Sep 01 TA - Canadian Medical Association Journal PG - E88--E89 VI - 181 IP - 5 4099 - http://www.cmaj.ca/content/181/5/E88.short 4100 - http://www.cmaj.ca/content/181/5/E88.full SO - CMAJ2009 Sep 01; 181