Methods HLA?DQA?1 and DQB?1 gene polymorphism was tested in 30 CLT patients and 24 normal controls of Chinese Han nationality by using DNA amplification with polymerase chain reaction of sequence?specific primers (PCR?SSP).
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- 方法用序列特異性引物的聚合酶鏈反應（PCR?SSP）方法，分析30例由病理證實(shí)的我國漢族CLT患者及24名正常對照的外周血白細胞基因組DNA的HLA?DQA1及DQB1位點(diǎn)的基因多態(tài)性分布。
