Duration
type: Class
label: Duur @nl

Duration
label: Duur @nl

Frequency
type: Class
label: Frequentie @nl

Frequencies
type: Concept
narrower: Four-weekly
preferred label: Frequenties @nl

Four-weekly
type: Concept
type: Duration
type: Frequency
Duration: P4W
broader: Frequencies
in scheme: Frequencies scheme
notation: W4
preferred label: Vierwekelijks @nl

Frequencies scheme
type: ConceptScheme
preferred label: Frequenties schema @nl