Methods59 patients who underwent off-pump coronary artery bypass grafting in the cardiac surgery of the First Affiliated Hospital of China Medical University from January,2008 to October,2008 were enrolled in this study by convenience sampling.
方法采用便利抽样的方法,选取2008年1月—2008年10月在中国医科大学附属第一医院心脏外科接受非体外循环冠状动脉搭桥手术的冠心病患者59例作为研究对象。
参考来源 - 非体外循环冠状动脉搭桥术患者认知功能改变的调查及影响因素分析·2,447,543篇论文数据，部分数据来源于NoteExpress
方法采用便利抽样对一县级综合医院125例护理人员进行问卷调查。
Methods Convenience sampling was adopted to investigate 125 nurse in a primary hospital with questionnaire.
采用便利抽样法，调查了江西省樟树市人民医院的30例门诊治疗的慢性乙型肝炎患者。
By convenient sampling, 30 CHB outpatients from a tertiary A-level hospital in Guangzhou were recruited into this study.
本研究以国内旅游消费者为研究对象，通过便利抽样的方式对在校大学生旅游者发放问卷。
The research object of the study is the domestic tourists, and we distribute questionnaires to the college student travelers on campus by convenient sampling.
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