Foods Foods Occurrence of Listeria monocytogenes in Ready-to-Eat Meat Products and Meat Processing Plants in Spain Gómez Diego Iguácel Laura Pilar Rota Mª C. Universidad de Zaragoza Carramiñana J.Juan Universidad de Zaragoza Ariño Agustín Universidad de Zaragoza Yangüela Javier Universidad de Zaragoza 2015 research-article