digraph { graph [fontname="Ume P Gothic Balsa", margin=0, start=7, splines=true, bgcolor="transparent" ] node [shape=ellipse, fontname="Ume P Gothic Balsa", style=filled, fillcolor=white, color="red4", fontcolor="red4", fontsize=8, arrowsize=0.5]; edge [color="red4", len = 0.5, arrowsize=0.5] //labelfloat=true; //nodesep=1; //ranksep=1; //sep=1; //overlap="compress"; //K=0.5; situation->inattendue->et inattendue->ou et->traumatique ou->traumatique }