A nationwide outbreak of multiresistant Salmonella Typhimurium in Finland due to contaminated lettuce from Spain, May 2005 Takkinen, J and Nakari, U M and Johansson, T and Niskanen, T and Siitonen, A and Kuusi, M, Weekly releases (1997–2007), 10, 2734 (2005), https://doi.org/10.2807/esw.10.26.02734-en