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We have examined the hypothesis that a variable number of tandem repeats in the third cytoplasmic loop of the dopamine D4 receptor influences clinical response to clozapine using a sample of 189 schizophrenic patients. Alleles of the 48-bp repeat, which range from two to ten copies in the normal human population, were analysed by the polymerase chain(More)
Effectiveness of Ubiquitous Geometry system on fifth grade students to learn geometry through measuring real geometric objects, is investigated. 75 fifth grade students were participated in this study during five weeks, where they were divided into three groups and each group used a different learning ways. The Main goal of this study is to consolidate,(More)
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