In vitro metabolismo of grandisin, a lignan with anti-chagasic activity - Ferreira, L S; Callejon, D R; Engemann, A; Cramber, B; Humpf, H U; Barros, V P; Assis, M D; Silva, D B; Albuquerque, S; Okano, L T; Kato, M J; Lopes, N P (Planta Med, 2012)