Outbreaks of gastroenteritis linked to lettuce, Denmark, January 2010 Ethelberg, S and Lisby, M and Böttiger, B and Schultz, A C and Villif, A and Jensen, T and Olsen, K E and Scheutz, F and Kjelsø, C and Muller, L, Eurosurveillance, 15, 19484 (2010), https://doi.org/10.2807/ese.15.06.19484-en