Demonstration of the cellular viability and safety of Enterococcus faecium CRL 183 in long-term experiments Veridiana P.S. Cano, Sandro R. Valentini, Katia Sivieri and Elizeu A. RossiLait, 87 1 (2007) 59-69DOI: https://doi.org/10.1051/lait:2007002