Methods Clinical observation of 186 cases was conducted with methods of random, single blind, parallel and control study of positive medicine.
方法采用随机、单盲、阳性药平行对照方法，对186例高脂血症患者进行临床观察。
Methods: Clinical observation on change of zinc in serum of 186 cases were adopted with methods of random, single blind, parallel and control study of positive medicine.
方法：采用随机、单盲、阳性药平行对照方法对186例患者治疗前后血清锌的变化进行临床观察。
Methods a total of 200 patients receiving electronic gastroscopy were divided by random number table into observation group and control group, with 100 cases in each group.
方法200例接受电子胃镜检查患者，通过随机数字表法分为观察组和对照组，每组100例。
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