Objective:To explore the correlation between serotonin transporter(5-HT) linke polymorphic region(5-HTTLPR) and Han Chinese children with childhood autism(CA).

• 目的:探讨汉族人群中5-羟色胺转运体基因连锁多态性区域(5-HTTLPR)与儿童孤独症(CA)的相关性。