Objective To determine the distribution of dopamine D2,D3, and D5 receptor(DRD2,DRD3,DRD5) gene polymorphisms in Guangzhou Hans.

• 目的 探讨广州地区汉族人群多巴胺 D2 (DRD2 )、D3(DRD3)、D5 (DRD5 )受体基因的多态性分布规律。