Grunkemeier, G L <br/><br/>
Reply to correspondence on randomization in surgical studies.  [electronic resource] 

 -  The Journal of heart valve disease  May 1993 
 - 359-61 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0966-8519 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bias<br/>Clinical Trials as Topic--statistics & numerical data<br/>Heart Valve Prosthesis<br/>Humans<br/>Observer Variation<br/>Prosthesis Design<br/>Prosthesis Failure<br/>Randomized Controlled Trials as Topic--statistics & numerical data