Chemopreventive effects of Paullinia cupana MART. var. sorbilis, the guaraná, on mouse hepatocarcinogenesis - Fukumasu, Heidge; Silva, T. C; Avanzo, José Luis; Lima, C. E; Mackowiak, Ivone Isabel; Atroch, André; Spinosa, Helenice de Souza; Moreno, Fernando Salvador; Dagli, Maria Lúcia Zaidan (Reunião Anual da Federação de Sociedade de Biologia Experimental, 2005)