1. Autism and developmental disabilities monitoring (ADDM) network. http://www.cdc.gov/ncbddd/autism/addm.htm: Centers for Disease Control and Prevention; 2008.
2. Baio J, EdS, Disabilities N C o B D a D. Prevalence of autism spectrum disorder among children aged 8 Years-autism and developmental disabilities monitoring network, 11 Sites, United States, 2010. In: (MMWR) M a M W R, editor. http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6302a1.htm: Center for Disease Control and Prevention; 2014. p. 1-21.
3. Blumberg S J, Bramlett M D, Kogan M D, et al. Changes in prevalence of parent-reported autism spectrum disorder in school-aged U.S. children: 2007 to 2011-2012. http://www.cdc.gov/nchs/data/nhsr/nhsr065.pdf: Centers for Disease Control of USA.; 2013.
4. Kim Y S, Leventhal B L, Koh Y J, et al. Prevalence of autism spectrum disorders in a total population sample. Am. J. Psychiatry. 2011;168:904-912.
5. HSPH. Autism has high costs to U.S. society. http://archive.sph.harvard.edu/press-releases/2006-releases/press04252006.html: Harvard School of Public Health; 2006.
6. Gershon M. The Second Brain: A Groundbreaking New Nnderstanding of Nervous Disorders of the Stomach and Intestine New york: HarperCollins Publishers, Inc.; 1999.
7. Grenham S, Clarke G, Cryan J F, et al. Brain gut microbe communication in health and disease. Frontiers in physiology. 2011;2:1-15.
8. Lee Y Y, Chua A S B. Influence of gut microbes on the brain-gut axis. Journal of Neurogastroenterology and Motillity. 2011;17:427-429.
9. Mayer E A, Padua D, Tillisch K. Altered brain-gut axis in autism: Comorbidity or causative mechanisms? BioEssays. 2014;36:933-939.
10. de Magistris L, Familiari V, Pascotto A, et al. Alterations of the intestinal barrier in patients with autism spectrum disorders and in their first-degree relatives. Journal of Pediatric Gastroenterology and Nutrition. 2010;51:418-424.
11. Schieve L A, Gonzalez V, Boulet S L, et al. Concurrent medical conditions and health care use and needs among children with learning and behavioral developmental disabilities, National Health Interview Survey, 2006–2010. Research in Developmental Disabilities. 2012;33:467-476.
12. Mazefsky C A, Schreiber D R, Olino T M, et al. The association between emotional and behavioral problems and gastrointestinal symptoms among children with high-functioning autism. Autism. 2014;18:493-501
13. Knivsberg A M, Reichelt K L, HØien T, et al. A Randomised, Controlled Study of Dietary Intervention in Autistic Syndromes. Nutritional Neuroscience. 2002;5:251-261.
14. Amidon G L, Lee H J. Absorption of peptide and peptidomimetic drugs. Annual Review of Pharmacology and Toxicology. 1994;34:321-341.
17，Hua Rui W M, Zhang Chen. The complex genetics in autism spectrum disorders. SCIENCE CHINA Life Sciences. 2015.
18，Shreiner A B, Kao J Y, Young V B. The gut microbiome in health and in disease. Current Opinion in Gastroenterology. 2015;31:69-75.
19， Tomova A, Husarova V, Lakatosova S, et al. Gastrointestinal microbiota in children with autism in Slovakia. Physiology & Behavior. 2015;138:179-187.
20，Mayer E A, Padua D, Tillisch K. Altered brain-gut axis in autism: Comorbidity or causative mechanisms? BioEssays. 2014;36:933-939.
21，Rolig AS, Mittge EK, Ganz J, Troll JV, Melancon E, Wiles TJ, et al. (2017) The enteric nervous system promotes intestinal health by constraining microbiota composition. PLoS Biol 15(2): e2000689. doi:10.1371/journal.pbio.2000689