phase IV study
alternative label: phase IV clinical trial
broader: postmarketing product surveillance
broader: pharmaceuticals and clinical trials
broader: clinical trials
type: Concept

postmarketing product surveillance
type: Concept
narrower: phase IV study

pharmaceuticals and clinical trials
type: Concept
narrower: phase IV study

concepts
type: Collection
type: ConceptGroup
member: phase IV study

clinical trials
type: Concept
narrower: phase IV study