COTTON, Peter B.;  WILLIAMS, Christopher B. <br/><br/>
Practical gastrointestinal endoscopy\\Blackwell, 1980\ 
Peter B. Cotton, Christopher B. Williams ; foreword by Marvin H. Sleisenger 
 - Oxford;  London;  Edinburgh   Blackwell  1980 
 - x, 185 p.  il. ; 25 cm 
<br/><br/><label>ISBN: </label>0-632-00274-3 
<br/><br/><label>Source: </label>C-256646 
<br/><br/><label>Index Terms--Genre/Form: </label><br/> lucrare de specialitate
<br/><br/><label>Universal Decimal Class. No.: </label>616.33/.34-072.1