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Some of the next articles are maybe not open access.
Oncologic Diseases of the Digestive System
2003
openaire
copy doi
(10.1016/b978-0-7216-8676-9.50015-6)
openaccessbutton.org (pdf)
+1 more source
medicine
internal medicine
biology
disease
gastroenterology
humans
digestive system diseases
3. good health
digestive system
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