* Santa Maria A, Lopez A, Diaz MM, Munoz-Mingarro D, Pozuelo JM: Evaluation of the toxicity of guarana with in vitro bioassays. Ecotoxicol Environ Saf, 39, 164-167, 1998 | * Santa Maria A, Lopez A, Diaz MM, Munoz-Mingarro D, Pozuelo JM: Evaluation of the toxicity of guarana with in vitro bioassays. Ecotoxicol Environ Saf, 39, 164-167, 1998 |