RT Journal Article SR Electronic(1) A1 Autio, T A1 Lyytikäinen, O A1 Maija, H A1 Riitta, M A1 P Ruutu A1 J Mikkola A1 A Siitonen YR 1999 T1 An outbreak of listeriosis due to Listeria monocytogenes serotype 3a from butter in Finland JF Weekly releases (1997–2007) VO 3 IS 11 SP 1437 OP DO https://doi.org/10.2807/esw.03.11.01437-en UL https://www.eurosurveillance.org/content/10.2807/esw.03.11.01437-en