Fate of Listeria monocytogenes and Salmonella sp. on irradiated minimaly processed organic watercress during refrigerated shelf life - Martins, Cecília Geraldes; Nunes, Tatiana Pacheco; Souza, Kátia Leani Oliveira de; Franco, Bernadette Dora Gombossy de Melo; Destro, Maria Teresa; Hutzler, Beatriz W.; Landgraf, Mariza (Annual Meeting of the International Association for Food Protection, 2006)