Effect of acquired resistance to bile salts on enzymatic activities involved in the utilisation of carbohydrates by bifidobacteria. An overview Clara G. de los Reyes-Gavilán, Patricia Ruas-Madiedo, Luis Noriega, Isabel Cuevas, Borja Sánchez and Abelardo Margolles Lait, 85 1-2 (2005) 113-123 DOI: 10.1051/lait:2004028