A hexane fraction of American ginseng suppresses mouse colitis and associated colon cancer: anti-inflammatory and proapoptotic mechanisms - Poudyal, D; Le, P M; Davis, T; Hofseth, A B; Chumanevich, A; Chumanevich, A A; Wargovich, M J; Nagarkatti, M; Nagarkatti, P S; Windust, A; Hofseth, L J (Cancer Prev Res (Phila), 2012)