Organization, 2009.
Digestive enzymes: Balch Phyllis, Balch
James. Prescription for Natural Healing. New
York: Avery Trade, 2010. Print.
Gut dysbiosis: Lipski Elizabeth. Digestive
Wellness. New York: Mc-Graw Hill. 2005.
Print.
Steinhoff U. Who controls the crowd? New
findings and old questions about the intestinal
microflora. Immunol Lett Jun 2005;99(1):12–6
Probiotics: Interview with Dr. Timothy
Gerstmar, N.D. Aspire Natural Health,
Redmond WA. February 16, 2012.