Imported rocket salad partly responsible for increased incidence of hepatitis A cases in Sweden, 2000-2001 Nygård, K and Andersson, Y and Lindkvist, P and Ancker, C and Asteberg, I and Dannetun, E and Eitrem, R and Hellström, L and Insulander, M and Skedebrant, L and Stenqvist, K and Giesecke, J, Eurosurveillance, 6, 380 (2001), https://doi.org/10.2807/esm.06.10.00380-en