"Hulley, Stephen B." <br/><br/>
Designing Clinical Research; An Epidemiologic Approach 

 - 2001 
 -  Nursing  9780781722186 
<br/><br/><label>ISBN: </label>Lippincott Williams& Wilkins 
<br/><br/><label>Subjects--Topical Terms: </label><br/>2nd ed.
<br/><br/><label>Subjects--Index Terms: </label>1