Cinnamon extract suppresses tumor progression by modulating angiogenesis and the effector function of CD8+ T cells. - Kwon HK; Jeon WK; Hwang JS; Lee CG; So JS; Park JA; Ko BS; Im SH; Kwon, Ho-Keun; Jeon, Won Kyung; Hwang, Ji-Sun; Lee, Choong-Gu; et al. (Cancer Letters, 2009)