1. Co-carcinogenic effects of several Korean foods on gastric cancer induced by N-methyl-N′-nitro-N-nitrosoguanidine in rats
2. Yun TK, Choi SY. Preventive effect of ginseng intake against various human cancers: a case-control study on 1987 pairs. Cancer Epidemiol Biomarkers Prev 1995;4:401-408.
3. Dietary Factors and Stomach Cancer: A Case-Control Study in Korea
4. Nishimoto IN, Hanaoka T, Sugimura H, Nagura K, Ihara M, Li XJ, Arai T, Hamada GS, Kowalski LP, Tsugane S. Cytochrome P450 2E1 polymorphism in gastric cancer in Brazil: case-control studies of Japanese Brazilians and non-Japanese Brazilians. Cancer Epidemiol Biomarkers Prev 2000;9:675-680.