| screening in mice of some medicinal plants used for analgesic purposes in the state of são paulo. part ii. | seventeen medicinal plants used popularly in brazil for their reputed analgesic properties were tested in mice by the writhing and tail flick methods. all extractions were made in 50% aqueous ethanol at low temperatures. the oral dose administered was always 1 g extract/kg. significant effects in both tests were produced by lippia alba, piper abutiloides, piper cincinnatoris, piper lindbergii and tillandsia usneoides. | 1989 | 2615423 |