Demonstration of the cellular viability and safety of Enterococcus faecium CRL 183 in experiments of long term Katia Sivieri, Veridiana P.S. Cano, Sandro R. Valentini and Elizeu A. Rossi Lait, 87 2 Published online: 05 June 2007 DOI: 10.1051/lait:2007009