20 common problems in gastroenterology /
20 common problems in gastroenterology /
editor, Steven A. Edmundowicz.
- 1st ed.
- New York : McGraw- Hill, 2002.
- xv, 317 p.
0070220557 :
Gastrointestinal diseases--Diagnosis.
Gastrointestinal diseases--therapy.
0070220557 :
Gastrointestinal diseases--Diagnosis.
Gastrointestinal diseases--therapy.