RT Journal Article SR Electronic(1) A1 de Jong, B A1 Andersson, Y A1 Giesecke, J A1 Hellström, L A1 Stamer, U A1 Wollin, R YR 2001 T1 Salmonella Typhimurium outbreak in Sweden from contaminated jars of helva (or halva) JF Weekly releases (1997–2007) VO 5 IS 29 SP 1715 OP DO https://doi.org/10.2807/esw.05.29.01715-en UL https://www.eurosurveillance.org/content/10.2807/esw.05.29.01715-en