References:
1.Williams NT. Probiotics. Am J Health Syst Pharm. 2010 Mar 15;67(6):449-58. http://www.ncbi.nlm.nih.gov/pubmed/20208051
2.Szajewska H, Mrukowicz J. Meta-analysis: non-pathogenic yeast Saccharomyces boulardii in the prevention of antibiotic-associated diarrhoea. Aliment Pharmacol Ther 2005 Sep 1; 22(5): 365-72. http://www.ncbi.nlm.nih.gov/pubmed/16128673
3.Cremonini F, Di Caro S, Santarelli L, et al. Probiotics in antibiotic-associated diarrhoea. Dig Liver Dis. 2002 Sep;34 Suppl 2:S78-80. http://www.ncbi.nlm.nih.gov/pubmed/12408447
4.McFarland LV. Meta-analysis of probiotics for the prevention of antibiotic associated diarrhea and the treatment of Clostridium difficile disease. Am J Gastroenterol. 2006 Apr;101(4):812-822. http://www.ncbi.nlm.nih.gov/pubmed/16635227