Fletcher, Grant S. <br/><br/>
Clinical epidemiology : the essentials 

 - Sixth edition. 
 - Philadelphia :  Wolters Kluwer  2021 
 - pages cm : (hardcover) 
<br/><br/><label>ISBN: </label>9781975109554 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public Health<br/>Epidemiology
<br/><br/><label>Universal Decimal Class. No.: </label>614.4