1. Probiotics: definition, sources, selection, and uses;Sanders;Clin Infect Dis,2008
2. Food and Agricultural Organisation, World Health Organisation. Guidelines for the evaluation of probiotics in food. Report of a Joint FAO/WHO Working Group on drafting guidelines for the evaluation of probiotics in food, London, Ontario, Canada; April 30 and May 1, 2002. Available at: http://www.who.int/foodsafety/fs_management/en/probiotic_guidelines.pdf.
3. Probiotics: their role in the treatment and prevention of disease;Doron;Expert Rev Anti Infect Ther,2006
4. Probiotics and their fermented food products are beneficial for health;Parvez;J Appl Microbiol,2006
5. Are dental diseases examples of ecological catastrophes?;Marsh;Microbiology,2003