1.
Endoscopy
; 44 Suppl 2 UCTN: E313-4, 2012.
Article
in English
| MEDLINE
| ID: mdl-23011997
2.
Endoscopy
; 43 Suppl 2 UCTN: E342, 2011.
Article
in English
| MEDLINE
| ID: mdl-22020717