Chemopreventive effect of kava on 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone plus benzo[a]pyrene-induced lung tumorigenesis in A/J mice - Johnson, T E; Kassie, F; OʼSullivan, M G; Negia, M; Hanson, T E; Upadhyaya, P; Ruvolo, P P; Hecht, S S; Xing, C (Cancer Prev Res (Phila), 2008)