1. Gastrointestinal endocrinology;Thompson,1987
2. The second brain: the scientific basis of gut instinct and a groundbreaking new understanding of nervous disorders of the stomach and intestine;Gershon,1998
3. An overview of the enteric nervous system;Furness,1987
4. The origin of gut and pancreatic neuroendocrine (APUD) cells—the last word?;Andrew;J Pathol,1998
5. Origin and differentiation of gut endocrine cells;Rawdon;Histol Histopathol,1993