Gamma radiation for reduction of Salmonella SPP. in minimally processed watercress - Martins, Cecília Geraldes; Destro, Maria Teresa; Franco, Bernadette Dora Gombossy de Melo; Vizeu, Dirceu Martins; Hutzler, Beatriz W.; Landgraf, Mariza (International Meeting on Radiation Processing, 2003)