3McBride PA, Anderson GM, Hertzig ME, et al. Effects of diagnosis, race, and puberty on platelet serotonin levels in autism and mental retardation [J ]. J Am Acad Child Adolesc Psychiatry.1998, 37: 767-776.
4Stevens MC, Fein DH, Waterhouse LH. Season of birth effects in autism[ J ]. J Clin Exp Neuropsychol, 2000,22 (3) : 399-407.
5Carlsson A. Seasonal and circadian monaminal variation in human brains examined post-mortem [ J ]. Acta Psychiatr Scand ( suppl 280), 1980,61:75.
6Leboyer M, Philippe A, Bouvard M, et al. Whole blood serotonin and plasmas beta-endorphin in autistic pmbands and their first-degree relatives[J]. Biol Psychiatry. 1999, 45: 158-163.
7Hanley HG, Stahl SM, Freedman DX. Hypersemtonemia and Amine Metabolites in Autistic and Retarded Children [J ]. Arch Gen Psychiatry, 1977,34: 521-531.
8Lauder JM, Krebs H. Serotonin as a differentiation signal in earlye mbryogenesis[J]. Dye Neurosci, 1978,1 : 15-30.
9Chugani DC, Muzik O, Behen M, et al. Developmental Changes in Brain Serotonin Synthesis Capacity in Autistic and Nonautistic Children[ J ], Ann Neurol, 1999,45 : 287-295.
10Gustafsson L. Inadequate Cortical Feature Maps: A Neural Circuit Theory of Autism[J]. Biol Psychiatry, 1997,42: 1138-1147.