Oltipraz chemoprevention trial in Qidong, Jiangsu province, People's Republic of China

Bao Chu Zhang, Yuan Rong Zhu, Jin Bing Wang, Yan Wu, Qi Nan Zhang, Geng Sun Qian, Shuang Yuan Kuang, Yan Feng Li, Xi Fang, Lu Yi Yu, Silvio De Flora, Lisa P. Jacobson, Audrey Zarba, Patricia A. Egner, Xia He, Jia Sheng Wang, Baibai Chen, Cheryl L. Enger, Nancy E. Davidson, Gary B. GordonMary B. Gorman, Hans J. Prochaska, John D. Groopman, Alvaro Muñoz, Kathy J. Helzlsouer, Thomas W. Kensler