循证医学：做好研究的基础

Evidence based medicine： so who need evidence anyway

写出优秀的论文很重要，但更重要的是首先要有好数据。然而，调查研究若没有计划或者开展好，便不会有好的数据。所以写出好文章的关键是在研究前进行详尽完备的研究设计。因此．本文着重讲述合理的设计实验并写出优秀的论文。

For most of this program the emphasis has been on preparing manuscripts for publication. While this is important it is far more important to have great data to write up in the first place. Without a well planned and well conducted study there will be no data to prepare a manuscript. Therefore review summarizes how to design a good study.