S. Shields
发表
G. Zonios,
K. Badizadegan,
M. Wallace,
1998
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D. Geiss,
S. Shields,
J. Watts,
1976,
Archives of surgery.
T. Comer,
R. W. Huntington,
S. Shields,
1974,
Archives of surgery.
R. Johannes,
P. Banks,
J. Saltzman,
2002,
Gastrointestinal endoscopy.
S. Shields,
1997,
Gastrointestinal endoscopy.
J. Saltzman,
D. Carr-Locke,
F. Ruymann,
2006,
Endoscopy.
Michael B. Wallace,
Ramasamy Manoharan,
Michael S. Feld,
1998
.
R. Johannes,
J. Dam,
J. van Dam,
2001,
Gastrointestinal endoscopy.
J. van Dam,
S. Shields,
2002,
Canadian journal of gastroenterology = Journal canadien de gastroenterologie.
O. Tulp,
S. Shields,
1984
.
M Fitzmaurice,
I Itzkan,
J Van Dam,
2000,
Gastroenterology.