Zhang, Feifei <br/><br/>
[Research progress on case-control study].  [electronic resource] 

 -  Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi  Apr 2016 
 - 578-81 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0254-6450 
<br/><br/><label>Standard No.: </label>10.3760/cma.j.issn.0254-6450.2016.04.028  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case-Control Studies<br/>Cross-Over Studies<br/>Humans<br/>Research Design--trends