speech impairments
type: Concept
narrower: voice disorders

concepts
type: Collection
type: ConceptGroup
member: voice disorders

voice disorders
type: Concept
definition: Voice is one of the most important elements of human communication. It is the means by which we verbally express ourselves. [Source: Encyclopedia of Global Health; Voice Disorders]
broader: speech impairments
broader: localized diseases

localized diseases
type: Concept
narrower: voice disorders