Schulz, Kenneth F. <br/><br/>
The lancet:  handbook of essential concepts in clinical research / 
Kenneth F. Schulz and David A. Grimes with foreword by Richard Horton 
 - Edinburgh:  Elsevier,  2006. 
 - xi, 223p. ;  22 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0080450377  TZS 10000/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Randomised controlled trials
<br/><br/><label>Dewey Class. No.: </label>616.007 SCH