Non-neoplastic diseases of the anorectum  proceedings of the 64th Falk Symposium held in Titisee/Black Forest, Germany,October, 11-13, 1991 
edited by L. Demling and P. Fruhmorgen 
 - Dordrecht :  Kluwer Academic,  1992 
 - 382 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0792389794 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anus diseases--congresses<br/>Rectal diseases--congresses