Digestive diseases and sciences.
[New York, N.Y.] : Plenum Pub. Corp.,
Excerpta medica
Index medicus
Biological abstracts
Chemical abstracts
Energy research abstracts
Life sciences collection
PESTDOC
RINGDOC
VETDOC
VETDOC
Bibliography of agriculture
Current contents
Current surgery
Science citation index
Supplements accompany some issues.
Nutrition
Digestive organs
Digestive diseases and sciences (Online)
American journal of digestive diseases