1.
Gastrointestinal Oncology Principles and Practice
by Kelsen, David P., Daly, Joh...
ISBN: 9780781722308
List Price: $199.00
2.
Gastrointestinal Oncology Prinicples and Practices
by Kelsen, David P., Kern, Sco...
ISBN: 9780781776172
List Price: $225.95