Response of Streptococcus thermophilus CNRZ368 and its colonial variants to oxidative stress: evidence for an inducible defence system Annabelle Thibessard, Nathalie Leblond-Bourget, Annabelle Fernandez, Brigitte Gintz and Bernard Decaris Lait, 81 1-2 (2001) 311-316 DOI: 10.1051/lait:2001134