Objective To explore the relationship between (GT)n dinucleotide repeated polymorphism of the brain-derived neurotrophic factor (BDNF) gene and onset of negative subtype schizophrenia in Chinese.

• 目的探讨汉族人群中脑源性神经营养因子(BDNF)基因(GT)n二核苷酸重复多态与精神分裂症阴性亚型发病之间的关系。