Information records, for example of patients with the same illness.
关于记录信息,比如说患有同样疾病的病人病历。
There was a country woman in the ward, and they got the same illness.
病房里原来就有一个乡下女人——她们得了同样的病。
This kind of research technique's shortcoming is, although two groups of cases it has same illness Run.
这种研究方法的缺点是,两组病例虽然其有相同的疾润。
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