Genomic DNA was isolated from the venous blood leukocytes of 322 unrelated patients with schizophrenia , 156 patients with depression , 300 patients with heroin addiction , and 300 healthy unrelated individuals .
O O O O O O O O O O O O B-OrganismTaxon O B-DiseaseOrPhenotypicFeature O O B-OrganismTaxon O B-DiseaseOrPhenotypicFeature O O B-OrganismTaxon O B-DiseaseOrPhenotypicFeature I-DiseaseOrPhenotypicFeature O O O O O O O