1. Mucin degradation in the human gastrointestinal tract and its significance to enteric microbial ecology
2. A Model of Host-Microbial Interactions in an Open Mammalian Ecosystem
3. Ross MH, Kaye GI, Pawlina W. Digestive system III: esophagus and gastrointestinal tract. Histology: A Text and Atlas. Philadelphia: Lippincott Williams & Wilkins, 2003pp.474-531.
4. Gartner LP, Hiatt JL. Digestive system III- alimentary canal. Color Textbook of Histology. Philadelphia: W.B. Saunders Company, 1997pp.325-335.