Premodifier: primer
Head noun: extension

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

Broader concepts

labelprovenanceconfidence
techniqueisap:3519064150.445610
methodisap:1355511080.417813
nucleotideisap:421284150.298253

Narrower concepts

labelprovenanceconfidence
pcrisap:2625312130.406452
oligonucleotideisap:976262690.250387