About: trace elements

Premodifier: trace
Head noun: elements

Same concepts
http://dbpedia.org/resource/Trace_element

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
selenium	isap:57578909	0.439550
mercury	isap:52120532	0.425800
copper	isap:100487499	0.258707