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目的:探讨5-羟色胺转运体(Serotonin transporter,5-HTT)基因第二内含子多态性(Serotonin transporter gene 2 VNTR polymorphism,5-HTTVNTR)及启动子区多态性(Serotonin-transporter-linked promoter region,5-HTTLPR)与自杀未遂的相关性研究。方法:运用聚合酶链反应技术(Polymerase chain reaction,PCR)检测71例自杀未遂患者(患者组)和80名健康对照者(