The Merck manual of diagnosis and therapy / 
Edited by Berkow Robert . 
 - 13th edition 
 - USA :  Merck sharp & Dohme Research laboratories,  1981. 
 - 2165p. :  ill. ; 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>911910026 
<br/><br/><label>LC Class. No.: </label>RC 55   / .B47 1981