Detection of Listeria sp. in meat and meat products using 'Tecra registred mark' Listeria 'VIA POT. TM' and BioControl 'VIP registred mark' for Listeria immunoassays and a cultural procedure - Aragon, Lina Casale; Landgraf, Mariza; Franco, Bernadette Dora Gombossy de Melo; Destro, Maria Teresa (Annual Meeting of the International Association for Food Protection, 2003)