Two unrelated cases of septicaemia due to Vibrio cholerae non-O1, non-O139 in Poland, July and August 2006 Stypulkowska-Misiurewicz, H and Pancer, K and Roszkowiak, A, Weekly releases (1997–2007), 11, 3088 (2006), https://doi.org/10.2807/esw.11.48.03088-en