DS DS/EN ISO 11290-1/A1
DS DSEN SO 11290-1A1 2004-NOV-11 Mcrobology of food and anmal feedng stuffs - Horzontal method for the detecton and enumeraton of Lstera monocytogenes - Part 1 Detecton method - Amendment 1 Modfcaton of the solaton meda and the haemolyss test and ncluson of precson data