1. Association AP. Diagnostic and statistical manual of mental disorders (DSM-5®): American Psychiatric Pub; 2013.
2. Baio J. Prevalence of autism spectrum disorder among children aged 8 years-autism and developmental disabilities monitoring network, 11 sites, United States, 2010. 2014;2(63):1-21.
3. Samadi SA, Mahmoodizadeh A, McConkey R. A national study of the prevalence of autism among five-year-old children in Iran. Autism. 2012;16(1):5-14.
4. Samadi SA, McConkey R. Screening for autism in Iranian preschoolers: contrasting M-CHAT and a scale developed in Iran. Journal of autism and developmental disorders. 2015;45(9):2908-16.
5. Samadi SA, Mohammad MP, Ghanimi F, McConkey R. The challenges of screening pre-school children for autism spectrum disorders in Iran. Disability and rehabilitation. 2016;38(17):1739-47.
6. DiCicco-Bloom E, Lord C, Zwaigenbaum L, Courchesne E, Dager SR, Schmitz C, et al. The developmental neurobiology of autism spectrum disorder. Journal of Neuroscience. 2006;26(26):6897-906.
7. Hanley HG, Stahl SM, Freedman DX. Hyperserotonemia and amine metabolites in autistic and retarded children. Archives of General Psychiatry. 1977;34(5):521-31.
8. Folstein SE, Rosen-Sheidley B. Genetics of austim: complex aetiology for a heterogeneous disorder. Nature Reviews Genetics. 2001;2(12):943.
9. Piven J, Tsai G, Nehme E, Coyle JT, Chase GA, Folstein SE. Platelet serotonin, a possible marker for familial autism. Journal of Autism and Developmental Disorders. 1991;21(1):51-9.
10. Pytliak M, Vargová V, Mechírová V, Felsöci M. Serotonin receptors-from molecular biology to clinical applications. Physiological Research. 2011;60(1):15.
11. Whitaker-Azmitia PM. Behavioral and cellular consequences of increasing serotonergic activity during brain development: a role in autism? International Journal of Developmental Neuroscience. 2005;23(1):75-83.
12. Kema IP, de Vries EG, Muskiet FA. Clinical chemistry of serotonin and metabolites. Journal of Chromatography B: Biomedical Sciences and Applications. 2000;747(1-2):33-48.
13. Harrington RA, Lee LC, Crum RM, Zimmerman AW, Hertz‐Picciotto I. Serotonin hypothesis of autism: implications for selective serotonin reuptake inhibitor use during pregnancy. Autism Research. 2013;6(3):149-68.
14. Oteify G, El-Ramly A, Samy A, Soliman E. Evaluation of oxytocin and serotonin levels in autism spectrum disorder. Journal of Medicine in Scientific Research. 2018;1(1):66.
15. C A. Understanding serotonin: what is it? How does it affect depression? How can I get more of it? Journal of psychiatry and neuroscience. 2009;3(12):75-9.
16. Chugani D. Role of altered brain serotonin mechanisms in autism. Molecular psychiatry. 2002;7(S2):S16.
18. Rimmer JA, Rowland JL. Physical activity for youth with disabilities: a critical need in an underserved population. Developmental Neurorehabilitation. 2008;11(2):141-8.
20. Dale RB, MacDonald J, Messer L. Liquid assets. Rehab management. 2005;18(3):22-4.
21. Broach E, Dattilo J. Aquatic therapy: a viable therapeutic recreation intervention. Therapeutic Recreation Journal. 1996;30(3):213-29.
22. Vonder Hulls DS, Walker LK, Powell JM. Clinicians' perceptions of the benefits of aquatic therapy for young children with autism: A preliminary study. Physical & Occupational Therapy in Pediatrics. 2006;26(1-2):13-22.
23. Pan C-Y. Effects of water exercise swimming program on aquatic skills and social behaviors in children with autism spectrum disorders. Autism. 2010;14(1):9-28.
24. J. M. The Halliwick Method. Physiotherapy. 1981 67(10):288-91.
25. Zainab Seed Al ZMHS, Nagwa Mohamed Ammar , Nesreen Ghareeb Mohamed El Nahas. Serum serotonin response to aerobic exercise versus Phoenix. International Journal of PharmTech Research. 2016;9(10):108-14.
26. Flora R, Theodorus T, Zulkarnain M, Juliansyah RA, Syokumawena S. Effect of Anaerobic and Aerobic Exercise Toward Serotonin in Rat Brain Tissue. 2016;1(3):3-6.
27. Chen H-I, Lin L-C, Yu L, Liu Y-F, Kuo Y-M, Huang A-M, et al. Treadmill exercise enhances passive avoidance learning in rats: the role of down-regulated serotonin system in the limbic system. Neurobiology of learning and memory. 2008;89(4):489-96.
28. Dey S, Singh RH, Dey PK. Exercise training: significance of regional alterations in serotonin metabolism of rat brain in relation to antidepressant effect of exercise. Physiology & behavior. 1992;52(6):1095-9.
29. Galloway MP. Regulation of dopamine and serotonin synthesis by acute administration of cocaine. Synapse (New York, NY). 1990;6(1):63-72.
30. Muller CL, Anacker AM, Veenstra-VanderWeele J. The serotonin system in autism spectrum disorder: from biomarker to animal models. Neuroscience. 2016;321:24-41.
31. Janušonis S, Gluncic V, Rakic P. Early serotonergic projections to Cajal-Retzius cells: relevance for cortical development. Journal of Neuroscience. 2004;24(7):1652-9.
32. Prafullata S.Bhakare DAV. Study of serotonin level in autism. Indian Journal of Basic and Applied Medical Research. 2016;5(2):550-3.
33. Makkonen I, Riikonen R, Kokki H, Airaksinen MM, Kuikka JT. Serotonin and dopamine transporter binding in children with autism determined by SPECT. Developmental Medicine & Child Neurology. 2008;50(8):593-7.
34. Anderson GM, Hertzig ME, McBride PA. Brief report: Platelet-poor plasma serotonin in autism. J Autism Dev Disord. 2012;42(7):1510-4.
35. Veenstra-VanderWeele J, Cook EH. Knockout mouse points to second form of tryptophan hydroxylase. Molecular interventions. 2003;3(2):72.
36. Hadjikhani N. Serotonin, pregnancy and increased autism prevalence: is there a link? Medical hypotheses. 2010;74(5):880-3.