Fletcher Robert H <br/><br/>
Clinical epidemiology-the essentials 

 - Baltimore  Williams and ilkins         1982 
 - xi, 223p.  cm. 
<br/><br/><label>Standard No.: </label>55586 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Disease<br/>Medicine
<br/><br/><label>Dewey Class. No.: </label>L:4:51, M2