Mathie, R. T. <br/><br/>
Principles of surgical research / 
R.T. Mathie and  K.M. Taylor. 
 - 2nd ed. 
 - Oxford :  Butterworth-Heinemann,  1989. 
 - xii, 269 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0750620102 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surgery--Research--Methodology.<br/>Research--methods.<br/>Surgery.