DEREK COLQUHOUN <br/><br/>
HEALTH RESEARCH IN PRACTICE,PLITICAL,ETHICAL AND METHODOLGICAL ISSUES 

 - 1ST 
 - LONDON  CHAPMAN AND HALL  1993 
<br/><br/><label>ISBN: </label>0-412-47470-0 
<br/><br/><label>Dewey Class. No.: </label>362.1072  / 2