Pfaffia paniculata (Brazilian ginseng) roots decrease proliferation and increase apoptosis but do not affect cell communication in murine hepatocarcinogenesis - Silva, Tereza Cristina da; Cogliati, Bruno; Silva, Ana Paula da; Fukumasu, Heidge; Akisue, Gokithi; Nagamine, Márcia Kazumi; Matsuzaki, Patrícia; Haraguchi, Mitsue; Górniak, Silvana Lima; Dagli, Maria Lúcia Zaidan (Experimental and Toxicologic Pathology, 2010)