求英文文献4篇，谢谢各位

【序号】1【题目】Age-dependentmicroRNA control of synaptic plasticity in 22q11deletion syndrome and schizophrenia

【年，期，卷，页码】【全文链接】http://www.ncbi.nlm.nih.gov/pubmed/23055483

【题目】Genome-widesupported variant MIR137 and severe negative symptoms predict membership of animpaired cognitive subtype of schizophrenia

【年，期，卷，页码】【全文链接】http://www.ncbi.nlm.nih.gov/pubmed/22733126

【序号】4

【题目】Theutility of gene expression in blood cells for diagnosing neuropsychiatricdisorders