TY  - BOOK
AU  -  Westaby,David
AU  -  Lombard,Martin
TI  -  Therapeutic gastrointestinal endoscopy: :  a problem oriented approa ch / 
SN  -  1899066950
PY  - 2002///
CY  -  London : 
PB  -  Martin Dunitz , 
KW  -  Endoscopy, Gastrointestinal
N1  -  Includes bibliogarphical references and index
ER  -