@article{article4bd02282, title = {Clinical toxicology study of an herbal medicinal extract of paullinia cupana, trichilia catigua, ptychopetalum olacoides and zingiber officinale (Catuama®) in healthy volunteers}, author = {Oliveira, Celso H. and Moraes, Maria Elizabete A. and Moraes, Manoel O. and Bezerra, Fernando A. F. and Abib, Eduardo and De Nucci, Gilberto}, year = {2005}, doi = {10.1002/ptr.1484}, journal = {Phytotherapy Researh} }