Preliminary study to investigate Salmonella sp. and E. Coli O157:H7 in ground beef sold in supermarkets in Puebla city, Mexico

od Cabrera-Maldonado, Carlos, León-Tello, Gloria, Tejeda-Trujillo, Fausto, Ramírez-Juárez, Belén, Flores-Encarnación, Marcos
Wydane 2013