D(node-metadata-equality-string,name:http://www.sleepycat.com/2002/dbxml,=,'report1.xml',n(V(edge-element-equality-string,section.section.title,=,'Procedure'),P(node-element-presence-none,=,incision))) V(edge-element-equality-string,section.section.title,=,'Procedure') P(node-element-presence-none,=,incision)