"CONCLUSIONS:
Association between vitamin A, retinol intake and blood retinol level and gastric cancer risk: A meta-analysis.Wu Y, Ye Y, Shi Y, Li P, Xu J, Chen K, Xu E, Yang J.Clin Nutr. 2015 Aug;34(4):620-6. doi: 10.1016/j.clnu.2014.06.007. Epub 2014 Jun 23.PMID: 25008141