“…Internal and external bleeding are the most frequent clinical signs, followed by tachycardia and hypotension, and then multiple organ failure due to substantial blood loss. The onset of the signs of poisoning may not be evident until a few days after absorption (Vogel et al, 1988;Nighoghossian et al, 1990;Swigar et al, 1990;Weitzel et al, 1990;Wilton, 1991;Ross et al, 1992;Corke, 1997;Casner, 1998;Chua and Friedenberg, 1998;Baker et al, 2002;Tsutaoka et al, 2003).…”