Head noun: phase
Postmodifier: 3 clinical trial

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

Broader concepts

labelprovenanceconfidence
product candidateisap:3345387380.608858
clinical trialisap:3738606860.562198
randomizedisap:2585925580.326129

Narrower concepts

labelprovenanceconfidence