Comparing apples with apples.
Koretz
R L
RL
D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D018529:Nutritional Support / Q000379:methods*; D010190:Pancreatic Neoplasms / Q000601:surgery*; D011182:Postoperative Care; D013274:Stomach Neoplasms / Q000601:surgery*; D016896:Treatment Outcome