1. (1) Alander M, Satokari R, Korpela R, Saxelin M, Vilpponen-Salmela T, Mattila-Sandholm T, von Wright A. 1999. Persistence of colonization of human colonic mucosa by a probiotic strain, Lactobacillus rhamnosus GG after oral consumption. Appl Environ Microbiol 65: 351-354.
2. (2) Bateup JM, McConnell MA, Jenkinson HF, Tannock GW. 1995. Comparison of Lactobacillus strains with respect to bile salt hydrolase activity, colonization of the gastrointestinal tract and growth rate of the murine host. Appl Environ Microbiol 61: 1147-1149.
3. (3) Chou L-S, Weimer B. 1999. Isolation and characterization of acid- and bile-tolerant isolates from strains of Lactobacillus acidophilus. J Dairy Sci 82: 23-31.
4. (4) Davis AK, Willoughby VL, Frazier CL, Cano RJ. 1999. Lactobacillus acidophilus genome project. Abstr Annu Meet Am Soc Microbiol 99: 341.
5. (5) De Smet I, Van Hoorde L, Vande Woestyne MV, Christiaens H, Verstraite W. 1995. Significance of bile salt hydrolytic activities of lactobacilli. J Appl Bacteriol 79: 292-301.