[Liao, Duan-fang; Luo, Di-xian] Univ S China, Coll Pharm & Life Sci, Inst Pharm & Pharmacol, Hengyang 421001, Peoples R China.
[Luo, Di-xian; Ma, Jun; Gao, Zachary; Cao, Deliang] So Illinois Univ, Sch Med, Simmons Canc Inst, Dept Med Microbiol Immunol & Cell Biol, Springfield, IL 62794 USA.
[Huang, Mei C.] Mem Med Ctr, Dept Internal Med, Div Gastroenterol, Springfield, IL 62781 USA.
[Liao, Duan-fang] Hunan Univ Chinese Med, Sch Pharm, Dept Tradit Chinese Diagnost, Changsha 420108, Hunan, Peoples R China.