Every two to three hours as required

Every two to three hours as required (qualifier value)

active

Code	`9781000175107`
Semantic tag	qualifier value
Module	international
Definition	primitive
Effective time	20180131

Synonyms

Every 2-3 hours as needed
Every 2-3 hours as required
Every two to three hours as needed

Parents (1)

307485003Irregular frequency qualifier value

Children (0)

None (leaf concept).