To assess the associations between cruciferous vegetable (CV) intake, GST gene polymorphisms, and colorectal cancer (CRC) in a population of Chinese men.Using incidence density sampling, CRC cases (N = 340) diagnosed before December 31, 2010 within the Shanghai Men's Health Study were matched to noncases (N = 673). CV intake was assessed from a food frequency questionnaire and by isothiocyanate levels from spot urine samples. GSTM1 and GSTT1 were categorized as null (0 copies) versus non-null (1 or 2 copies). Conditional logistic regression was used to calculate odds ratios and 95

作者：Emily, Vogtmann；Yong-Bing, Xiang；Hong-Lan, Li；Quiyin, Cai；Qi-Jun, Wu；Li, Xie；Guo-Liang, Li；Gong, Yang；John W, Waterbor；Emily B, Levitan；Bin, Zhang；Wei, Zheng；Xiao-Ou, Shu

来源：Annals of epidemiology 2014 年 24卷 1期