PT - JOURNAL ARTICLE AU - Mark Barna TI - E. coli in produce shows need for better tracking, prevention: Romaine lettuce outbreaks spur action DP - 2019 Feb 01 TA - The Nation's Health PG - 1--18 VI - 49 IP - 1 4099 - http://www.thenationshealth.org/content/49/1/1.1.short 4100 - http://www.thenationshealth.org/content/49/1/1.1.full SO - Nations Health2019 Feb 01; 49