方法随机、多中心临床研究。
方法采用前瞻性，随机双盲双模拟，阳性药平行对照，多中心临床研究。
Methods The multicentre prospective, random, double-blind and imitation, positive-drug parallel control clinical trails are used.
这是一个多中心临床研究，它将几百个置入长支架的患者随机分为埃替非巴肽组和安慰剂组。
This is a multi-centric study which will randomize several hundred patients to one strategy which is eptifibatide during implantation of long stents, versus placebo.
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