Tygstrup, Niels <br/><br/>
The Randomized Clinical Trial and Therapeutic Decisions 
/ by Niels Tygstrup 
 - New York:  Marcel Dekker, INC,  1982. 
 - xviii, 296p.; 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>615.507  / TYG/T