World Journal of Gastroenterology · 2014 · 50 citations · 27 references
Differences existed in race, sex, and age of patients according to the epidemiology of gastric cancer in the Hehuang valley. Moreover, dietary habits was also an important factor contributing to gastric cancer.
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Cancer Incidence in Five Continents
Richard Doll, C. S. Muir, John A. H. Waterhouse · 1970 · 8.5K citations