Potential Anti-Tumor-Promoting Activity of 3α-Hydroxy-D:A-friedooleanan-2-one from the Stem Bark of Mallotus philippensis - Tanaka, Reiko; Nakata, Tomoko; Yamaguchi, Chiharu; Wada, Shun-ichi; Yamada, Takeshi; Tokuda, Harukuni (Planta Medica, 2008)