G. Walker
发表
J. Birk,
Joseph C. Anderson,
G. Walker,
2007,
Gastrointestinal endoscopy.
Charles J. Kahi,
C. Kahi,
Joseph C. Anderson,
2010,
Gastrointestinal endoscopy.
A. Chawla,
Jeffrey A Morganstern,
E. Girda,
2013,
ISRN Gastroenterology.
G. Walker,
T. Reilly,
2004,
Gastroenterology nursing : the official journal of the Society of Gastroenterology Nurses and Associates.
C. Messina,
Joseph C. Anderson,
G. Walker,
2010,
Digestive Diseases and Sciences.