WILCOX C.M, . (2009). ATLAS OF CLINICAL GASTROINTESTINAL ENDOSCOPY. : SAUNDERS.
WILCOX C.M, . 2009. ATLAS OF CLINICAL GASTROINTESTINAL ENDOSCOPY. : SAUNDERS.
WILCOX C.M, . ATLAS OF CLINICAL GASTROINTESTINAL ENDOSCOPY. : SAUNDERS. 2009.