Recent advances in Crohn's disease  proceedings of the 2nd International Workshop on Crohn's Disease, Noordwijk/Leiden, 25-28 June 1980 
Edited by A. S. Pena ... (et al.) 
 - The Hague :   Martinus Nijhoff,   1981 
 - 549 pages :   illustrations ;   24 cm. 
 - Developments in gastroenterology  v.1 .
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9024724759 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crohn disease--Congresses.