@article {Barna1, author = {Mark Barna}, title = {E. coli in produce shows need for better tracking, prevention: Romaine lettuce outbreaks spur action}, volume = {49}, number = {1}, pages = {1--18}, year = {2019}, publisher = {American Public Health Association}, issn = {0028-0496}, URL = {https://www.thenationshealth.org/content/49/1/1.1}, eprint = {https://www.thenationshealth.org/content}, journal = {The Nation{\textquoteright}s Health} }