Fernández de Larrea Baz, Nerea, Pilar Pérez Rodríguez, Amalia Martín Pérez, Julio J. Mañas Urbón, Francisco J. Fouz Uguet, Juan García Caballero, and Jose Mª Ordóñez Iriarte. 2004. “Evolution in Microbiological Results in Food Samples in a Health Area in the Community of Madrid, Spain (1999-2002)”. Spanish Journal of Environmental Health 4 (1-2):30-38. https://ojs.diffundit.com/index.php/rsa/article/view/345.